The Sun heats not only the air around us, but the land we walk on. Scientists are interested in the difference between the two.
Published May 2, 2012
If you live in the northern hemisphere, the past few weeks have been strange. In places where it should be seasonably hot, it’s just warm. In places where weather is usually mild in the summer, it has been ridiculously hot.
Published Aug 8, 2014
Frigid temperatures gripped China in early January 2013. This map shows temperature anomalies for that period.
Published Jan 24, 2013
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