Effects of Global Warming. Energy radiates from the earth surface. Energy radiates from the atmosphere. Greenhouse gases are being warmed by the radiation from earth and “trap heat”. Radiation from the sun warms the earth’s surface. Without greenhouse gases: -18 degrees! (average temp).
Energy radiates from the atmosphere
Greenhouse gases are being warmed by the radiation from earth and “trap heat”
Radiation from the sun warms the earth’s surface
-18 degrees! (average temp)
+15 degrees (average. temp)
1 degree warmer today than 100 years ago.
Which season shows the biggest change in temperature?
Source: Temperature and Precipitation Trends in Canada During the 20th Century
Xuebin Zhang,*Lucie A. Vincent, W.D. Hogg and AinNiitsooClimate Research Branch, Meteorological Service of Canada
But it isn’t about the temperature itself.
What are the effects?
Melting Polar Caps – affects the habitat of polar bears which need ice cover in order to hunt their prey (seals)
Predictions vary (a lot!) but even a 1-2 meter rise would mean millions of people have to move.
some areas and decreased in others.