Sink or source? A new model to measure organic carbon in surface waters

A new carbon model allows scientists to estimate sources and losses of organic carbon in surface waters in the United States. Study results indicate that streams act as both sources and sinks for organic carbon.
“Model estimates help managers and…

Soot packs a punch on Tibetan Plateau’s climate

RICHLAND, Wash. — In some cases, soot — the fine, black carbon silt that is released from stoves, cars and manufacturing plants — can pack more of a climatic punch than greenhouse gases, according to a paper published in the journal Atmospheri…

War, plague no match for deforestation in driving CO2 buildup

Stanford, CA — Genghis Khan and his Mongol hordes had an impact on the global carbon cycle as big as today’s annual demand for gasoline. The Black Death, on the other hand, came and went too quickly for it to cause much of a blip in the global car…

New Year’s Eve tip from American Chemical Society journal: Pour champagne down the side of the glass

WASHINGTON, Dec. 22, 2010 — Just in time for New Year’s Eve, and the arrival of the International Year of Chemistry, a study may settle that long-standing disagreement over the best way to pour a glass of champagne: Scientists in France are report…

‘Greener’ climate prediction shows plants slow warming

GREENBELT, Md. — A new NASA computer modeling effort has found that additional growth of plants and trees in a world with doubled atmospheric carbon dioxide levels would create a new negative feedback — a cooling effect — in the Earth’s c…

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