Michael D. Lemonick

Florida counties band together to ready for warming’s effects

While U.S. action on climate change remains stalled, four south Florida counties have joined forces to plan for how to deal with the impacts — some of which are already being felt — of rising seas, higher temperatures, and more torrential rains.

January 13, 2012

Probing the role of the sun in an era of global warming

Some skeptics have suggested the real culprit behind rising temperatures is increased solar activity. But a wide variety of data and experiments still provide no solid evidence to refute the scientific consensus that greenhouse gas emissions are the major reason the planet is heating up.

August 3, 2011

The effect of clouds on climate: A key mystery for researchers

As climate scientists wrestle with the complexities of how the planet will react to rising greenhouse-gas levels, no variable is more difficult to decipher than the impact of clouds. But thanks to new satellite data and other technologies, clues are emerging that may help solve the puzzle.

August 30, 2010

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