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Largest North America Climate Change In 65 Million Years, Study Shows
February 7, 2007 — The largest climate change in central North America since the age of the dinosaurs 65 million years ago, a temperature drop of nearly 15 degrees Fahrenheit, is documented within the fossilized teeth ... > full story -
Researcher Creates First Temperature Record For The Great Plains
January 28, 2007 — While temperature records dating back thousands of years already exist for certain regions of the United States, like the East Coast and the Northwest, no such record exists for the North American ... > full story -
Winds Of Change: North America's Wind Patterns Have Shifted Significantly In The Past 30,000 Years
January 23, 2007 — Using 14,000- to 30,000-year-old wood samples from areas in the mid-latitudes of North America (40-50°N), researchers have learned that the prevailing winds in this region, which now blow from ... > full story -
Deep In Arctic Mud, Geologists Find Strong Evidence Of Climate Change
January 18, 2007 — How severe will global warming get? Jason P. Briner is looking for an answer buried deep in mud dozens of feet below the surface of lakes in the frigid Canadian Arctic. His group is gathering the ... > full story -
Geologist Gets To The Bottom Of Chicxulub Impact Crater
January 18, 2007 — About 65 million years ago, a massive disruption led to worldwide extinction of dinosaurs. The impact of a giant asteroid created massive tsunamis and spewed forth a global cloud of carbon gases that ... > full story -
Annual Plants May Cope With Global Warming Better Than Long-Living Species
January 8, 2007 — Countering Charles Darwin's view that evolution occurs gradually, UC-Irvine scientists have discovered that plants with short life cycles can evolutionally adapt in just a few years to climate ... > full story -
Chemistry Of Volcanic Fallout Reveals Secrets Of Past Eruptions
January 5, 2007 — A team of American and French scientists has developed a method to determine the influence of past volcanic eruptions on climate and the chemistry of the upper atmosphere, and significantly reduce ... > full story -
A Bumpy Shift From Ice House To Greenhouse
January 4, 2007 — The transition from an ice age to an ice-free planet 300 million years ago was highly unstable, marked by dips and rises in carbon dioxide, extreme swings in climate and drastic effects on tropical ... > full story -
Researchers Identify A 'Heartbeat' In Earth's Climate
December 22, 2006 — Analysis of ancient marine microfossils has revealed that the Earth's climate and the formation and recession of glaciation events in the Earth's history have corresponded with variations in the ... > full story -
Ancient Climate Change May Portend Toasty Future
December 7, 2006 — Scientists, including Ken Caldeira of the Carnegie Institution's Department of Global Ecology, have found that the Earth's global warming, 55 million years ago, may have resulted from the climate's ... > full story
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