Results for keyword: Hot Times
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Facts about greenhouse gas emissions
Sprinkled throughout the lead story are "fun facts" about what causes greenhouse gas emissions and what people can do to reduce them
by Michelle Nijhuis, Mar 06, 2006 -
The Ghosts of Yosemite
Modern-day scientists, retracing the path of Joseph Grinnell in Yosemite National Park, document conspicuous changes in the natural world and find a culprit unimagined by biologists 100 years ago: global warming
by Michelle Nijhuis, Oct 17, 2005 -
Glaciers offer a glimpse of the distant past
Like tree rings, ice cores create a record of the climate of the past, and the National Ice Core Laboratory in Denver houses the largest collection of polar ice cores in the world
by Allen Best, Jan 24, 2005 -
Tree rings reveal a fiery past — and future
Tree-ring scientists Tom Swetnam and Julio Betancourt study past climatic conditions seeking clues to better forest management
by Michelle Nijhuis, Jan 24, 2005 -
Written in the Rings
The study of tree rings opens a window into the West’s distant past, and warns us that the region’s future may be dangerously hot and dry
by Michelle Nijhuis, Jan 24, 2005 -
Global Warming's Unlikely Harbingers
Mountain pine beetles are attacking more forests and more varieties of trees — and thriving at higher elevations than ever before — and some scientists believe global climate change is at the root of the problem
by Michelle Nijhuis, Jul 19, 2004






