SlideShare una empresa de Scribd logo
1 de 31
Água para o desenvolvimento
     econômico e social

                B.P.F. Braga
  Professor Titular da Escola Politécnica – USP
Vice-Presidente do World Water Council – WWC




       REGIONAL LEADERSHIP FORUM
            Rio, 12 de novembro de 2012
Água é essencial a todas
formas de vida


Petróleo do século XXI
Hidroeletricidade no mundo
                                                   3.6
                                      0.8
 1.0
                                             72%
       70%
                                                         21%
                                       1.0

                                              6%
             1.6



                    33%



        Potencial (milhões Gwh/ano)

        Utilizado

70%     Utilizado em porcentagem
Austrália e Etiópia tem a
     mesma variabilidade
           climática

                 Etiópia
Armazenamento per capita:
                 240 m3

                                 Austrália
                  Armazenamento per capita:
                                 5.000 m3
Armazenamento
                                              per capita
                                       1500
                        42%             m3



  Proporção
  do
  escoamento
  disponível
  através de
  regulação
  natural
                                100   9%
                                m3


fonte: J.Briscoe – Marrakech 2005
Qual é a situação nos
  países pobres e
    emergentes?
África e a variabilidade climática

Geomorfologia vulnerável e extrema variabilidade
climática trazem grandes custos às economias
africanas em função da falta de investimento em
segurança hídrica.
Impactos Econômicos
                                                                                                                 15.0                                                                                                                            3.0




                                                                                                                                                                                                                                                        Variability in Rainfall (Meter)
                                                                                                                                                                                                                                                 2.0
                                                                                                                 10.0




                                                                                           Real GDP growth (%)
                                                                                                                                                                                                                                                 1.0

                                                                                                                  5.0
                                                                                                                                                                                                                                                 0.0

                                                                                                                                                                                                                                                 -1.0
                                                                                                                  0.0




                                                                                                                         1979

                                                                                                                                   1980

                                                                                                                                            1981

                                                                                                                                                     1982

                                                                                                                                                                   1983

                                                                                                                                                                          1984

                                                                                                                                                                                 1985

                                                                                                                                                                                         1986

                                                                                                                                                                                                1987

                                                                                                                                                                                                       1988

                                                                                                                                                                                                              1989

                                                                                                                                                                                                                     1990

                                                                                                                                                                                                                            1991

                                                                                                                                                                                                                                   1992

                                                                                                                                                                                                                                          1993
                                                                                                                                                                                                                                                 -2.0
                                                                                                                  -5.0
                                                                                                                                      Real GDP grow th (%)                                                                                       -3.0
                                                                                                                                      Variability in Rainfall (Meter)
                                                                                                                 -10.0                                                                                                                           -4.0


                                                                                                                           Chuva & PIB: Zimbábue 1978-1993
                                                                                                                                                                                        Years




             80                                                                                                                                                    25
                                                                                                                                                                   20
             60
                                                                                                                                                                   15
             40
percentage




                                                                                                                                                                   10
             20                                                                                                                                                    5
                                                                                                                                                                   0
              0
                                                                                                                                                                   -5
                                                                                          1992




                                                                                                                                          1998
                                               1986
                                                      1987
                                                             1988
                                                                    1989
                                                                           1990
                                                                                   1991


                                                                                                                 1993


                                                                                                                            1995
                                                                                                                                   1996
                                                                                                                                          1997


                                                                                                                                                   1999
                                                                                                                                                            2000
                   1982
                          1983
                                 1984
                                        1985




                                                                                                                 1994




             -20                                                                                                                                                   -10
                                                                                                                                                                   -15
             -40
                                                                    rainfall variation around the mean                                                             -20
             -60                                                    GDP growth
                                                                                                                                                                   -25
             -80                                                                                                                                                   -30
                                                                                  year




                          Chuva e PIB: Etiópia 1982-2000
Variabilidade Climática e Crescimento




                                Quênia: variabilidade & choque
Risco de
Secas                 10/97 – 2/98 Cheia   Danos a infraestrutura             $2.39 b
                      10/98 –5/00 Seca     Perdas agrícolas         $0.24 b
recorrentes                                Perdas na pecuária       $0.14 b
                                           Redução na prod. Hidro   $0.64 b
                                           Redução na prod.         $1.39 b
                                           Industria
                                           TOTAL                    $2.41 b   $2.39 b
                      10/97 – 05/00        Custo Var.Climat.                  $4.8 b
                                           PIB aproximado período             $22 b
Legado Natural:                            Impacto % PIB                       22%

extrema variabilidade climática
Bilhões $                                       % PIB
 700                                              14
     Perdas                           Perdas
 600 Econômicas                       % PIB       12

 400                                              10

 300                                              8

 200                                              6

 100                                              4

 0                                                2
       Nações mais ricas   Nações mais pobres     0

Perdas por Desastres Naturais 1985 – 99 (world watch 2001)
Déficit de eletricidade
                                                                                                                                                                     2108
                                   2,000
Elec consumption (kWh/yr)/Capita



                                            (United States consumption - 11994 kWh/yr/capita)
                                   1,800
                                   1,600
                                   1,400
                                   1,200    500 kWh/capita-year minimum consumption




                                                                                                                                                   900
                                   1,000    for reasonable quality of life

                                    800




                                                                                                                                         581




                                                                                                                                                           430
                                    600




                                                                                                                       204
                                    400
                                            184




                                                                            126




                                                                                                                               114
                                                       85




                                    200
                                                                                    55

                                                                                               38

                                                                                                        29
                                                                 21




                                      0
                                                                                    Tanzania
                                                                            Kenya




                                                                                                                       Ghana
                                                                                               Uganda

                                                                                                        Burkina Faso




                                                                                                                                                                      World Average
                                                                                                                               Senegal




                                                                                                                                                   Egypt
                                                       Nigeria




                                                                                                                                         Algeria
                                            Cameroon




                                                                 Ethiopia




                                                                                                                                                           Morocco
Déficit de Infraestrutura Hídrica
• Principais componentes:

  – Antagonismo à infraestrutura entre ONG
    radicais e o apoio a esta visão por parte de
    um grande número de países desenvolvidos
    proprietários de agencias multilaterais de
    financiamento…

  – Fracasso de envolvimento do setor privado
A retirada da participação do
          setor privado
         Investimentos anuais do setor privado em infra-
              estrutura 1990-2002, em bilhões US$
140
120
100
 80
 60
 40
 20
  0
      1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Porque o setor privado tem problema com investimento
                   em Água e Saneamento ?

              Grau de recuperação do investimento (percentagem)
       200



       150


                                     Autonomia Financeira
       100

                                                                                PPP
                                                                                 Gap
       50                                                                       Fiscal


       0
             Telecomunicação            Gas                 Energia            Agua e
                                                                               Saneamento
Source: World Bank, World Development Report 1994, Investing in Infrastructure 1994.
USOS MULTIPLOS
ABASTECIMENTO HUMANO         HIDROELETRICIDADE




 NAVEGAÇÃO   ABASTECIMENTO INDUSTRIAL
                                  CONTROLE DE CHEIA




IRRIGAÇÃO    RECREAÇÃO E TURISMO
                                PESCA E AQUICULTURA
Unidade de planejamento




 ESTADO A


 ESTADO B
Projeto Ótimo – Pareto
Projeto Ótimo – Pareto
World Water Council:
The International Water
   Policy Think Tank
Nossas metas
                            Decisores
                   1: Tornar a água e sua gestão
                      parte da agenda política
                            Politicos
www.worldwatercouncil.org
                            2: Tornar a água uma
                            preocupação de todos
  Comunidade                  Sociedade
    Hídrica                      Civil

   Especialistas                Usuários
GESTÃO DE RECURSOS HÍDRICOS É ESSENCIALMENTE UM
                PROCESSO POLÍTICO




            +                 =


                                     Ordem
  rio       + dique           =
                                     Política

Más contenido relacionado

Más de International Hydropower Association

IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...
IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...
IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...International Hydropower Association
 
IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...
IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...
IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...International Hydropower Association
 
IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...
IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...
IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...International Hydropower Association
 
IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...
IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...
IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...International Hydropower Association
 
IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...
IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...
IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...International Hydropower Association
 
IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...
IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...
IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...International Hydropower Association
 
IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ...
 IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ... IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ...
IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ...International Hydropower Association
 
IHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropower
IHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropowerIHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropower
IHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropowerInternational Hydropower Association
 
IHA 2013 World Congress: IGA: Renewable systems: sharing experience
IHA 2013 World Congress: IGA: Renewable systems: sharing experienceIHA 2013 World Congress: IGA: Renewable systems: sharing experience
IHA 2013 World Congress: IGA: Renewable systems: sharing experienceInternational Hydropower Association
 
IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?
IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?
IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?International Hydropower Association
 
IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...
IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...
IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...International Hydropower Association
 
IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...
IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...
IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...International Hydropower Association
 
IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...
IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...
IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...International Hydropower Association
 
IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...
IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...
IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...International Hydropower Association
 

Más de International Hydropower Association (20)

IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...
IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...
IHA 2013 World Congress: Canadian Hydropower Association: Hydropower - Canada...
 
IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...
IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...
IHA 2013 World Congress: Instituto Acende Brasil: Current initiatives and wha...
 
IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...
IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...
IHA 2013 World Congress: Nepal Hydropower Association: Hydropower Development...
 
IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...
IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...
IHA 2013 World Congress: Sarawak Energy: Incorporating Sustainability into Bu...
 
IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...
IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...
IHA 2013 World Congress: E.ON: Incorporating Sustainability into Business Pra...
 
IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...
IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...
IHA 2013 World Congress: GDF Suez: Climate change: Four dimensions for hydrop...
 
IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ...
 IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ... IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ...
IHA 2013 World Congress: Dr Byman Hamududu: Climate change: Four dimensions ...
 
IHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropower
IHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropowerIHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropower
IHA 2013 World Congress: IPCC: Climate change: Four dimensions for hydropower
 
IHA 2013 World Congress: IGA: Renewable systems: sharing experience
IHA 2013 World Congress: IGA: Renewable systems: sharing experienceIHA 2013 World Congress: IGA: Renewable systems: sharing experience
IHA 2013 World Congress: IGA: Renewable systems: sharing experience
 
IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?
IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?
IHA 2013 World Congress: Judith Plummer: Who’s investing in hydropower?
 
IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...
IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...
IHA 2013 World Congress: Bringing markets to the resource case study: Sarawak...
 
IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...
IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...
IHA 2013 World Congress: Judith Plummer: Special Lecture on the Impacts of De...
 
IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...
IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...
IHA 2013 World Congress: IHA: Introduction to the Hydropower Sustainability A...
 
IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...
IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...
IHA 2013 World Congress: ADB presentation: Case Study of Song Bung 4 Hydropow...
 
Gil Maranhão Neto, GDF SUEZ
Gil Maranhão Neto, GDF SUEZGil Maranhão Neto, GDF SUEZ
Gil Maranhão Neto, GDF SUEZ
 
Rikard Liden, World Bank
Rikard Liden, World BankRikard Liden, World Bank
Rikard Liden, World Bank
 
Ricardo Krauskopf Neto, Itaipu
Ricardo Krauskopf Neto, ItaipuRicardo Krauskopf Neto, Itaipu
Ricardo Krauskopf Neto, Itaipu
 
Cameron Ironside, IHA
Cameron Ironside, IHACameron Ironside, IHA
Cameron Ironside, IHA
 
Valdineuza do Nascimento Borges, CPPT Cuniã
Valdineuza do Nascimento Borges, CPPT CuniãValdineuza do Nascimento Borges, CPPT Cuniã
Valdineuza do Nascimento Borges, CPPT Cuniã
 
Sergio Leao, Acreditar
Sergio Leao, Acreditar Sergio Leao, Acreditar
Sergio Leao, Acreditar
 

Água essencial para o desenvolvimento econômico e social

  • 1. Água para o desenvolvimento econômico e social B.P.F. Braga Professor Titular da Escola Politécnica – USP Vice-Presidente do World Water Council – WWC REGIONAL LEADERSHIP FORUM Rio, 12 de novembro de 2012
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. Água é essencial a todas formas de vida Petróleo do século XXI
  • 11.
  • 12. Hidroeletricidade no mundo 3.6 0.8 1.0 72% 70% 21% 1.0 6% 1.6 33% Potencial (milhões Gwh/ano) Utilizado 70% Utilizado em porcentagem
  • 13. Austrália e Etiópia tem a mesma variabilidade climática Etiópia Armazenamento per capita: 240 m3 Austrália Armazenamento per capita: 5.000 m3
  • 14. Armazenamento per capita 1500 42% m3 Proporção do escoamento disponível através de regulação natural 100 9% m3 fonte: J.Briscoe – Marrakech 2005
  • 15. Qual é a situação nos países pobres e emergentes?
  • 16. África e a variabilidade climática Geomorfologia vulnerável e extrema variabilidade climática trazem grandes custos às economias africanas em função da falta de investimento em segurança hídrica.
  • 17. Impactos Econômicos 15.0 3.0 Variability in Rainfall (Meter) 2.0 10.0 Real GDP growth (%) 1.0 5.0 0.0 -1.0 0.0 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 -2.0 -5.0 Real GDP grow th (%) -3.0 Variability in Rainfall (Meter) -10.0 -4.0 Chuva & PIB: Zimbábue 1978-1993 Years 80 25 20 60 15 40 percentage 10 20 5 0 0 -5 1992 1998 1986 1987 1988 1989 1990 1991 1993 1995 1996 1997 1999 2000 1982 1983 1984 1985 1994 -20 -10 -15 -40 rainfall variation around the mean -20 -60 GDP growth -25 -80 -30 year Chuva e PIB: Etiópia 1982-2000
  • 18. Variabilidade Climática e Crescimento Quênia: variabilidade & choque Risco de Secas 10/97 – 2/98 Cheia Danos a infraestrutura $2.39 b 10/98 –5/00 Seca Perdas agrícolas $0.24 b recorrentes Perdas na pecuária $0.14 b Redução na prod. Hidro $0.64 b Redução na prod. $1.39 b Industria TOTAL $2.41 b $2.39 b 10/97 – 05/00 Custo Var.Climat. $4.8 b PIB aproximado período $22 b Legado Natural: Impacto % PIB 22% extrema variabilidade climática
  • 19. Bilhões $ % PIB 700 14 Perdas Perdas 600 Econômicas % PIB 12 400 10 300 8 200 6 100 4 0 2 Nações mais ricas Nações mais pobres 0 Perdas por Desastres Naturais 1985 – 99 (world watch 2001)
  • 20. Déficit de eletricidade 2108 2,000 Elec consumption (kWh/yr)/Capita (United States consumption - 11994 kWh/yr/capita) 1,800 1,600 1,400 1,200 500 kWh/capita-year minimum consumption 900 1,000 for reasonable quality of life 800 581 430 600 204 400 184 126 114 85 200 55 38 29 21 0 Tanzania Kenya Ghana Uganda Burkina Faso World Average Senegal Egypt Nigeria Algeria Cameroon Ethiopia Morocco
  • 21.
  • 22. Déficit de Infraestrutura Hídrica • Principais componentes: – Antagonismo à infraestrutura entre ONG radicais e o apoio a esta visão por parte de um grande número de países desenvolvidos proprietários de agencias multilaterais de financiamento… – Fracasso de envolvimento do setor privado
  • 23. A retirada da participação do setor privado Investimentos anuais do setor privado em infra- estrutura 1990-2002, em bilhões US$ 140 120 100 80 60 40 20 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
  • 24. Porque o setor privado tem problema com investimento em Água e Saneamento ? Grau de recuperação do investimento (percentagem) 200 150 Autonomia Financeira 100 PPP Gap 50 Fiscal 0 Telecomunicação Gas Energia Agua e Saneamento Source: World Bank, World Development Report 1994, Investing in Infrastructure 1994.
  • 25. USOS MULTIPLOS ABASTECIMENTO HUMANO HIDROELETRICIDADE NAVEGAÇÃO ABASTECIMENTO INDUSTRIAL CONTROLE DE CHEIA IRRIGAÇÃO RECREAÇÃO E TURISMO PESCA E AQUICULTURA
  • 26. Unidade de planejamento ESTADO A ESTADO B
  • 29. World Water Council: The International Water Policy Think Tank
  • 30. Nossas metas Decisores 1: Tornar a água e sua gestão parte da agenda política Politicos www.worldwatercouncil.org 2: Tornar a água uma preocupação de todos Comunidade Sociedade Hídrica Civil Especialistas Usuários
  • 31. GESTÃO DE RECURSOS HÍDRICOS É ESSENCIALMENTE UM PROCESSO POLÍTICO + = Ordem rio + dique = Política