ProCon.org
Pro con.org: Is Human Activity Primarily Responsible for Global Climate Change?
This site thoroughly covers the controversy over whether climate change is mainly caused by humans. Provides extensive background and quick facts, a long list of detailed arguments both for and against the question, videos, and a...
TED Talks
Ted: Ted Ed: Why I Must Speak Out About Climate Change
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply...
PBS
Pbs Online News Hour: The Global Warming Debate
From the NewsHour with Jim Lehrer this site is regularly updated with the most recent news on global warming. Also offers links to related topics.
PBS
Pbs Nova: The Big Energy Gamble
While most people believe that global warming is a reality, Marlo Lewis, Jr. is a skeptic. Lewis is with the Competitive Enterprise Institute in Washington, D.C. In this interview, he questions the California initiative to lower...