global warming

Killer frost arrives

11.15.2012

Yesterday morning, our lettuce and spinach was coated in frost, the leaves stiff. The roses down the street were stiff and cracked when I touched them. Fall has ended and, from a plant’s standpoint, winter has begun. On the nights of November 12-13 and November 14-15 2012, the temperature dipped below 28F at about 3am [...]

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An urban forest in peril

11.12.2012

Update:  Tom Eblen, Lexington Herald-Leader, has an excellent story on this subject in the December 2 newspaper. The urban forest of Lexington, KY is in serious decline as a result of extremely poor management. Large amounts of taxpayer money are spent to plant and maintain trees in Lexington’s parks and on its streets, but we [...]

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US National Phenology Network helps track climate change, and you can help

12.10.2008

Phenology is the study of the timing of natural events. Phenology observers record the date and location of important seasonal events, such as bud burst, flowering, insect emergence and animal migration. Once a Victorian hobby, phenology has never been of much interest to Americans. The USA National Phenology Network (USA-NPN) aims to change that by [...]

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Long-term CO2 forest experiment may end

11.11.2008

An experiment that pumps carbon dioxide into groups of trees growing outdoors, designed to test how forests will respond to global warming may be ended by the US Department of Energy. This is not a nefarious plot to squash the results of global warming research, but a genuine disagreement among two groups of scientists over [...]

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Fungi may release less carbon dioxide as climate warms

11.03.2008

Global warming will gradually increase the temperature of soils. Most models predict that increased soil temperature will allow fungi and bacteria to break down soil organic matter faster, releasing large amounts of carbon dioxide into the atmosphere.  New research from the University of California – Irvine shows that, at least for dry soils of boreal [...]

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Climate Progress – Has runaway climate change begun?

09.25.2008

A very important article from Joe Romm at Climate Progress this morning. Evidence is growing that methane in the atmosphere is increasing, and methane is a powerful greenhouse gas (20 times the heat absorption of CO2 One source of methane may be deep sea-bed deposits that are released as the Arctic Ocean warms.   Joe points [...]

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Global warming goes on – Britain’s Met Office

09.24.2008

The Meteorological Office, Britain’s equivalent of our Weather Service, has a great short article that refutes the notion that global warming has slowed down.  The key paragraph is the first one: "Anyone who thinks global warming has stopped has their head in the sand. The evidence is clear – the long-term trend in global temperatures [...]

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