|"It's important to rescue the frog." - Al Gore|
From Billions to None: The Passenger Pigeon's Flight to Extinction
Nuisance Fish: jumping Asian carp
Why is Lake Michigan water so clear?
Ozone hole peaks over Antarctica (2008)
Greenhouse effect: demo in a bottle
Climate Change and the Yin-Yang of Polar Sea Ice: why is Antarctic sea ice increasing?
As polar ice recedes: Maine could become a hub for North America
Extra credit readings
©Copyleft Peter Chen