Climate Change
Frozen in Time
Glaciers in the Pacific Northwest have recorded hundreds of years of climate history, helping researchers plot how quickly the planet is warming
Climate Change
Time often shapes perceptions
Building Sustainable Cities
The 227-city U.S. Mayors Climate Protection Agreement is just the beginning.
Al Gore Discusses "An Inconvenient Truth"
Environmentalist Al Gore talks about his new movie
Heavenly Harbingers
High altitude, night-shining clouds are becoming more common, which could signal climate changes
When Permafrost Isn't
Slowly rising temperatures are melting the frozen ground that underlies most land at high latitudes
A Census of the Wild
A government report takes a look at what we have left and where we are heading
Climate Is Often a Matter of Inches and a Little Water
Planners ignore microclimates at their peril: mistakes can mean frozen crops, lower house values and camper vans blown off the highway
Phenomena, Comment & Notes
Iceberg armadas and flickering climates: how one good idea led to more, and we appreciated anew the world's complexity
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