Presentation is loading. Please wait.

Presentation is loading. Please wait.

GLOBAL WARMING. The atmosphere has a natural supply of "greenhouse gases“

Similar presentations


Presentation on theme: "GLOBAL WARMING. The atmosphere has a natural supply of "greenhouse gases“"— Presentation transcript:

1 GLOBAL WARMING

2 The atmosphere has a natural supply of "greenhouse gases“

3 They capture heat and keep Earth warm enough for us to live on.

4 greenhouse effect Without the

5 the planet would be an frozenuninhabitable, wasteland.

6 Over the past 300 years, people started emitting large amounts of greenhouse gases

7 More and more fossil fuels were burned More and more fossil fuels are being burned

8 to run our cars…

9 trucks Trucks

10 Planes

11 And F A C T O R I E S

12 Adding to our natural supply of greenhouse gases.

13 The gases can stay in the atmosphere for at least 50 years and up to centuries.

14

15 the globe has heated up by about one degree Fahrenheit over the past century.

16 One degree not a big deal? Consider this…

17 the difference in global average temperatures between modern times

18

19

20 China

21 Arctic ice is rapidly

22 Polar bears and indigenous cultures are already suffering from the sea-ice loss.

23 Glaciers and mountain snows are rapidly melting Glaciers on mountains are slowly melting.

24 Coral reefs which are highly sensitive to small changes in water temperature

25 Suffered the worst bleaching-or die-off in response to stress- ever recorded in 1998

26 We only have one beautiful planet Earth.

27 And we are all affected And we are all being affected.

28 So do your part What are YOU doing ABOUTABOUT It?

29 He same

30


Download ppt "GLOBAL WARMING. The atmosphere has a natural supply of "greenhouse gases“"

Similar presentations


Ads by Google