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GLOBAL WARMING
- 2. DATE : 10-03-10
- 3. CLASS : KAPPA-2 PRESENTED BY: T.PURUSHOTHAM
- 4. GLOBAL WARMING IT IS ONE OF THE WORLD'S BIGGEST PROBLEMS FACED BY MANKIND TODAY
- 6. What are the causes for this global warming?
- 7. What are the harmful effects of this on our mother earth?
- 8. How can we prevent global warming?
- 9. What are the steps taken by the government in this aspect?
- 10. What we students can do to prevent such a big global problem?
- 13. The main cause for the global warming are green house gases like water vapor, carbon dioxide, ozone and methane which are responsible for GREEN HOUSE EFFECT
- 15. EMISSION OF CO 2 INTO ATMOSPHERE
- 16. POLAR ICE CAPS MELTING
- 17. MELTING GLACIERS IN HIMALAYAS
- 19. Warming is expected to be strongest in the Arctic and would be associated with continuing retreat of glaciers, permafrost and sea ice.
- 21. Warming and related changes will vary from region to region around the globe, though the nature of these regional variations are uncertain.
- 22. Greenland is now losing 20 percent more mass than it receives from new snowfall each year. Greenland Ice Sheet
- 23. The ice shelf disintegrated suddenly in March 2002 due to warm summer temperatures Disintegration of the Larsen B Ice Shelf, Antarctic Peninsula NASA Earth Observatory
- 26. The San Quintin Glacier appears to be losing mass and retreating Retreat of San Quintin Glacier, Chile NASA Earth Observatory
- 34. The available options are mitigation to reduce further emissions; adaptation to reduce the damage caused by warming; and, more speculatively, geoengineering to reverse global warming.
- 35. Most national governments have signed and ratified the Kyoto Protocol aimed at reducing greenhouse gas emissions.
- 36. Think ....what we can do to prevent global warming? ? ...
- 39. Switch off all fans & lights while leaving the class rooms and dormitories
- 40. Switch off the laptops when you are away from them even for short duration
- 42. Try to bring awareness about global problems like pollution and global warming among people
- 44. Thank You!
Hinweis der Redaktion
- The February 9, 2007 image shows the area previously occupied by Larsen B ice shelf seen as semi-circular area at the right side of the image. The resulting icebergs from the disintegration flowed to the Weddell sea. These icebergs wouldn’t have raised the sea level since the ice shelf was already floating in water and occupied as much volume as the water that would have been generated when it melted. However, these ice shelves act as brakes to the glaciers flowing out to the sea. So the loss of these shelves can speed up the flow of glaciers to the sea, which can result in the rise of sea level.
- These photographs show an enlarged eastward-looking view of a small section of the Hubbard Glacier terminus and the evolution of the “squeeze-push” moraine in front of Gilbert Point that blocked the tidal exchange between Disenchantment Bay (bottom of photos) and Russell Fiord (top of photos), creating Russell Lake which rose to 18.6 metres (61 feet) above sea level over 21⁄2 months before it finally outburst on 14 August 2002, creating the second largest glacial lake outburst worldwide in historical times.
- The response to climate change is being observed with the receding glaciers.
- The San Quintín Glacier is the largest outflow glacier of the Northern Patagonian Ice Field located in southern region of Chile. As seen in the photographs, this glacier appears to be retreating and losing mass in recent years.