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Carbon Dioxide Methane Nitrous Oxide Ozone Synthetic chemicals.

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Presentation on theme: "Carbon Dioxide Methane Nitrous Oxide Ozone Synthetic chemicals."— Presentation transcript:

1 Carbon Dioxide Methane Nitrous Oxide Ozone Synthetic chemicals

2 EVIDENCES OF CLIMATE CHANGE Also below are the evidence for rapid climate change SEA LEVEL RISES

3 GLOBAL TEMPERATURE RISE

4 WARMING OCEAN

5 SHRINKING ICE SHEETS: THE GREEN LAND ANTARCTICA ICE SHEET HAS REDUCE IN MASS Flowing melt water from the Greenland ice

6 DECLINING ARTIC SEA ICE: BOTH THE EXTENT AND THICKNESS OF ARCTIC SEA ICE HAS DECLINED RAPIDLY OVER THE LAST SEVERAL DECADES. 9 9

7 GLACIAL RETREAT GLACIERS ARE RETREATING ALMOST EVERYWHERE AROUND THE WORLD — INCLUDING IN THE ALPS, HIMALAYAS, ANDES, ROCKIES, ALASKA AND AFRICA. 10 10 The disappearing snowcap of Mount Kilimanjaro, from space.

8 EXTREME EVENTS THE NUMBER OF RECORD HIGH TEMPERATURE EVENTS IN THE UNITED STATES HAS BEEN INCREASING, WHILE THE NUMBER OF RECORD LOW TEMPERATURE EVENTS HAS BEEN DECREASING, SINCE 1950. THE U.S. HAS ALSO WITNESSED INCREASING NUMBERS OF INTENSE RAINFALL EVENTS. 11 11

9 OCEAN ACIDIFICATION SINCE THE BEGINNING OF THE INDUSTRIAL REVOLUTION, THE ACIDITY OF SURFACE OCEAN WATERS HAS INCREASED BY ABOUT 30 PERCENT HENCE DIOXIDE ABSORBED BY THE UPPER LAYER OF THE OCEANS IS INCREASING BY ABOUT 2 BILLION TONS

10 EFFECTS OF GLOBAL WARMING Weather Ice sheets and glaciers Sea Level Agriculture Plants and Animals Human health

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