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1. GLOBAL WARMING AND CLIMATE CHANGE Susheel Dwivedi School of Biotechnology B H U Varanasi

8. “… There is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.” --Intergovernmental Panel on Climate Change, 2001

9. Painting by Charles Shaw

12. Watt’s Steam Engine

13. Internal Combustion Engine

16. What Causes Global Warming?

19. 1938 1991

20. Wild Fires

21. Drought and water shortages

22. Effects on wildlife

24. Energy efficiency and conservation

26. Hydroelectric dams generate about 10% of our nation’s energy

32. ! ! Thank you