This Week: Death of the mastadon
In the News: Antarctic ozone hole: 10th largest on record!
Coming Thursday: Return of the wild: Coyotes, bears and turkeys are back!
Glaciers are melting in the tropics, in Africa, Asia and South America. Read the mock-Hemingway version of this ongoing tragedy.
New research shows that climate of the entire North Atlantic region cooled abruptly and repeatedly during the Holocene period. Drill hole reveals rapid temperature change during past few thousand years. If climate could change so much back then, what about today?
How climatologists know about past and present climates. What role do pollen, ice cores, computer models, archeology and tree rings play in the effort to explore ancient climates?