The Trump administration plans to get rid of all limits on climate-warming pollution from the nation's fossil fuel power plants. Fossil fuel interests hailed the proposal, which likely faces legal ...

In this lesson, students explore the concept of “cause and effect” as it relates to the abolition of slavery in the United States in the 1800s.

Learn about the effects of a changing climate on the Arctic ecosystem and four of its well-known mammals: the polar bear, the walrus, the Arctic fox and the beluga whale. The term “climate ...