ScienceDaily (2009-05-05) — In the hotly debated arena of global climate change, using short-term trends that show little temperature change or even slight cooling to refute global warming is misleading, write two climate experts in a paper recently published by the American Geophysical Union — especially as the long-term pattern clearly shows human activities are causing the earth’s climate to heat up.

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The Physical Environment textbook link: Climate Change: Global Warming