Science History: Greenhouse Effect (2:28)
Climate Change: The Keeling Curve (3:10)
From Global Warming to Ice Age (3:05)
Scientific Proof of Ozone Depletion (3:09)
Global Warming is a Fact (2:40)
Climate Change History in Ice (3:42)
Historic Climate Change Declaration (1:52)
Sudden Climate Change Explained (5:28)
Spruce Beetles Kill Trees in Alaska (2:08)
Ice Melting at Glacier National Park (2:31)
Melting Glaciers Will Raise Sea Level (2:48)
High Sea Level and Natural Disasters (5:01)
The Asthma Epidemic (3:05)
The Urban Heat Island Effect (2:21)
The Malaria Epidemic (3:37)