Science: Scientific facts and explanations of global warming: Forecast Earth
Global Warming
What is Global Warming?

Global warming has evolved from an almost obscure scientific reference into a phrase common to the general public. Its meaning has been examined at every angle producing varied definitions worldwide. But the most basic and widely accepted definition is, "an increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change." But what really is Global Warming and how does it affect you?

Climate Data

Forecast Earth tracks the daily temperatures for 50 U.S. cities and compares them to historical averages to help give you a picture of today's climate.