Rising sea levels, strong storms, melting ice ... who or what is to blame? Scholars browse the website in preparation for a class discussion or debate about whether human activity is causing climate change. They gain a balanced...

Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...

Here is an interesting infographic that presents information on the amount of carbon dioxide we can safely release into the atmosphere compared to the actual amount we have released to date.

Hibernation isn't just about staying fed, it's about staying warm. Young environmentalists explore the importance of staying warm in the wilderness with a short lesson about surviving in the wild. Using gelatin to represent warm-blooded...