Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been...
Ice Melt at the Poles
It’s confirmed: both Antarctica and Greenland are losing ice—around 350 billion...
What is coral bleaching? These white corals in the Gulf of Mexico’s Flower Garden...
In Hot Water
This lesson combines Life Science and Investigation State Standards as it builds on...
Fri, 11/30/2012 - 10:40
Caution! Do Not Bleach
Students learn why coral reefs are important, and what possible explanations are...
Mon, 11/30/2009 - 12:46