Author: Kristin Elise Phillips
How are nests made, and are people changing the materials birds use for them?
- asks Peggy from University Heights, OH
“Someone told me that human beings have been around for only 60 thousand years. This is shorter than I thought. Is this true? Where did we come from?”
- asks Mark from New York City
Growing Grain in a Warming World
Some scientists are rethinking the positive effects global warming may have on agriculture.
Global Warming: Certain Change and Moral Uncertainty
The IPCC report says global warming is inevitable, but is there anything we can do?
