Natural variations in global temperatures may occur in roughly 500-year cycles: The primary cause of variations in global temperature is...

Since about 1979, each day satellites measure the temperature over about 80% of the globe to an accuracy of about...

Temperatures have risen < 1° C. Yep, that's it. This is science fact. Not fiction. And it's all perfectly normal...

Global warming occurs in cycles caused mainly by changes in the sun's energy output and the sun's relative position to...

In 1989 as the Cold War and the threat of nuclear war were winding down, the Union of Concerned Scientists...