
Supervolcano Eruption In Sumatra Deforested India 73,000 Years Ago
A new study provides
"incontrovertible evidence"
that the volcanic
super-eruption of Toba on
the island of Sumatra about
... > full story

After Mastodons and Mammoths, a Transformed Landscape
Roughly 15,000 years ago, at
the end of the last ice age,
North America's vast
assemblage of large animals
-- including such iconic
creatures as mammoths,
... > full story

Cave Study Links Climate Change to California Droughts
California experienced
centuries-long droughts in
the past 20,000 years that
coincided with the thawing
of ice caps in the Arctic,
according to analysis of
... > full story

Central Africa's Tropical Congo Basin Was Arid, Treeless In Late Jurassic
The lush, tropical Congo
Basin was much different 150
million to 200 million years
ago when dinosaurs roamed
Gondwana, the single
... > full story
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Climate Models Don't Tell The Full Story
November 10, 2009 Climate models that predict heavy rainfall don't give the whole picture, according to the results of a new study. Researchers examined climate changes that have taken place over the past 800,000 ... > full story -
Past Climate Of Northern Antarctic Peninsular Informs Global Warming Debate
November 9, 2009 The seriousness of current global warming is underlined by a reconstruction of climate at Maxwell Bay in the South Shetland Islands of the Antarctic Peninsula over approximately the last 14,000 ... > full story -
Greening Of The Sahara Desert Triggered Early Human Migrations Out Of Africa
November 9, 2009 Scientists have determined that a major change in the climate of the Sahara and Sahel region of North Africa facilitated early human migrations from the African continent. Among the key findings are ... > full story -
Seafloor Fossils Provide Clues To Climate Change
November 8, 2009 Deep under the sea, a fossil the size of a sand grain is nestled among a billion of its closest dead relatives. Known as foraminifera, these complex little shells of calcium carbonate can tell you ... > full story -
Paleoecologists Offer New Insight Into How Climate Change Will Affect Organisms
November 5, 2009 New research examines some of the potential problems with current prediction methods and calls for the use of a range of approaches when predicting the impact of climate change on organisms. The ... > full story -
Climate Events Let Ice Age Mammoths Pass Far Below 40 Degrees North Latitude
October 27, 2009 Europe's southern-most skeletal remains of a mammoth were unearthed in a moor on the 37 degree N latitude. This is considerably south of the inhospitable habitat than one usually imagines for ... > full story -
Volcanoes Played Pivotal Role In Ancient Ice Age, Mass Extinction
October 26, 2009 Researchers here have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago. Perhaps ironically, these volcanoes first caused global warming -- by releasing ... > full story -
Shark Teeth Provide Key To North Sea’s Climatic Past
October 20, 2009 A team of German and British scientists have used fossilised shark teeth to reconstruct the climate of the North Sea during the Palaeogene period, between 40 and 60 million years ago. The results ... > full story -
Last Time Carbon Dioxide Levels Were This High: 15 Million Years Ago, Scientists Report
October 9, 2009 You must go back 15 million years to find carbon dioxide levels as high as they are today, Earth scientists report. "The last time carbon dioxide levels were apparently as high as they are today and ... > full story -
Climate Change Triggered Dwarfism In Soil-Dwelling Creatures Of The Past
October 7, 2009 Ancient soil-inhabiting creatures decreased in body size by nearly half in response to a period of boosted carbon dioxide levels and higher temperatures, scientists have ... > full story
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