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A compendium of science-based information

Podcast: Digging Into Past Climate

What could the effects of climate change be?

Climate Change in Cities: Observations, Impacts, and Solutions

Recent western tree-kill by bark beetles has been the worst recorded

Warming climate is helping bark beetles spread in the West

Bark beetle outbreaks may influence forest fire risk

The Challenge of Understanding, Monitoring, and Managing the Health of Our Planet

Energy efficiency can reduce CO2 emissions at a net profit

Gallery

Summer is Lasting Longer Across the U.S. The last summer-like day is happening later in the year for most U.S. cities.

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