38. Groundwater: recharge rates differ by depth Millennia Centuries Decades Years Days Flow lines Confining beds Wells Water table Discharge area Unconfined aquifer Confined aquifers
48. Ground Water Contamination Water table is raised under a landfill (higher surface and permeable trash) Soluble pollution moves in the same direction as the groundwater flow
57. Predicted water scarcity Each group: come up with one policy (large or small) that would minimize the impact of water scarcity on one of the red areas. Simply estimate the major cost and benefit(s).
67. Yemen A county with problems: semi civil-war, undemocratic, poor: 154 out of 180 Corruption Perceptions Index Transparency International 140 out of 182 Human Development Index United Nations Development Programme 119 out of 144 Global Peace Index Institute for Economics and Peace Ranking Survey Organization