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Global warming/Climate Change/Greenhouse effect, Causes,Solutions.
- 1. . .
- 2. Final project •Subject: •Basic English Writing •Sec: •(B)
- 3. • Presentation by: • Muhammad Ahsan Zahid (L1F21BBAM0089) • Mujtaba Shafique (L1F21BBAM0068) • Hassan Khurram (L1F21BBAM0067) • Huzaifa Javed (L1F21BBAM0082)
- 4. Why did we choose this topic? Protect and promote natural healthy environment Prevent excessive exploitation of natural resources Create awareness to minimize the loss
- 5. Introduction of Global Warming • Global warming is a phenomenon of climate change characterized by a general increase in average temperatures of the Earth, which modifies the weather balances and ecosystems for a long time. • It is directly linked to the increase of greenhouse gases in our atmosphere, worsening the greenhouse effect. This Photo by Unknown author is licensed under CC BY.
- 6. Greenhouse effect? • The greenhouse effect is a natural process that occurs when energy from a planet's sun goes through its atmosphere and warms the planet's surface, but the atmosphere prevents the heat from returning directly to space, resulting in a warmer planet. • Common greenhouse gases • Carbon Dioxide • Nitrous oxide • Methane
- 8. Climate change • Climate change refers to significant, long-term changes in the global climate • Global climate is the connected system of sun, earth and oceans, wind, rain and snow, forests, deserts and savannas, and everything people do, too.. This Photo by Unknown author is licensed under CC BY-NC.
- 10. Evidence of global warming • Temperature rise • Extinction of species • Increasing CO2 emission • Disappearance of islands
- 11. Global warming Natural or human made? Natural Causes • Volcanic eruptions • Sun’s Intensity • Changes in concentration of Greenhouse Gases Human Made • Burning of Fossil Fuel • Transportation • Deforestation
- 12. Pakistan Climate Change • Pakistan is constantly among top 5 climate vulnerable countries.” • Pakistan experiences recurring disasters. • $3.8 billion in annual economic loss due to climate change. This Photo by Unknown author is licensed under CC BY-SA-NC.
- 13. Causes • Burning of fossil fuels • Over population • Intensive farming • Waste management methods • Overconsumption This Photo by Unknown author is licensed under CC BY.
- 14. Effects Sea level rising Poverty and health risks More intense storms Increased droughts and heat waves Economic consequences
- 15. Consequences • Snowfall in the Sahara Desert • Australian Bushfire • Severe droughts and heat waves spread across much of southern Africa
- 16. Predictions for the future • Major cities that will submerged • Karachi • New York • Miami • Yield of crop could be decline by 1/3rd • Billions of dollar loss due to disasters
- 17. Solutions • As a Government • Stop deforestation • Educating farmers • Managing water supply • Carbon capture programs • Alternative energy productions This Photoby Unknown author is licensed under CC BY.
- 18. Solutions • As a citizen • Urge government to act • Use energy wisely • Consume less ,waste less • Plant more trees • Educate
- 19. Resources • www.Solarimpulse.com • www.Sciencing.com • www.Nrdc.org • www.Carbonbrief.org • www.usgs.gov • www.Warmheartworldwide.org