Ecosystems

Thaw of polar regions may need new U.N. laws
September 8, 2008 11:15 AM - Reuters

OSLO (Reuters) - A new set of United Nations laws may be needed to regulate new Arctic industries such as shipping and oil exploration as climate change melts the ice around the North Pole, legal experts said on Sunday.

Antarctic Earthquakes Shake at Glacial Speed
September 8, 2008 11:10 AM - Live Science

Wide rivers of ice, called ice streams, flow through relatively slow-moving polar ice sheets, en route to the sea. Glaciologists had assumed that ice streams just creep steadily along—until one was recently shown to pack a powerful one-two punch, generating seismic waves twice a day.

Dirty air brings rain -- then again, maybe not
September 8, 2008 09:22 AM - The Hebrew University of Jerusalem

An international team of scientists, headed by Prof. Daniel Rosenfeld of the Institute of Earth Sciences at the Hebrew University of Jerusalem, has come up with a surprising finding to the disputed issue of whether air pollution increases or decreases rainfall. The conclusion: both can be true, depending on local environmental conditions.

Global warming: Western U.S. feels the heat
September 5, 2008 09:46 AM - Seattle PI

As pilot Bruce Gordon lifts up from the local airport, the distant perspective of the Teton Range raises the spirits, but the unfolding sight of dying forests sears the soul.

California revives program to buy water from farmers
September 5, 2008 09:41 AM - LA Times

SACRAMENTO -- -- Saying California's water reserves are all but gone, state officials on Thursday announced the revival of a dormant 17-year-old program to buy water from Sacramento Valley farmers and sell it to the thirstiest Southern California agencies in case this winter brings a third year of skimpy precipitation.

Sea level rise limited to two metres
September 5, 2008 09:29 AM - New Scientist

What is the maximum amount that sea levels could rise by 2100? Much attention has been given to the numbers issued by the Intergovernmental Panel on Climate Change in 2007, and the fact that they are absolute minimums.

Deforestation Escalates in Brazilian Amazon
September 5, 2008 08:38 AM - , Worldwatch Institute

Satellite imagery released earlier this week provided further evidence that deforestation in Brazil's Amazon region accelerated dramatically this year.

Global Warming: Warmer Seas Linked To Strengthening Hurricanes, According to New Research
September 4, 2008 10:02 AM - Florida State University

The theory that global warming may be contributing to stronger hurricanes in the Atlantic over the past 30 years is bolstered by a new study led by a Florida State University researcher. The study will be published in the Sept. 4 edition of the journal Nature.

Massive Arctic ice shelf breaks away
September 3, 2008 09:19 AM - Reuters

A huge 19 square mile (55 square km) ice shelf in Canada's northern Arctic broke away last month and the remaining shelves have shrunk at a "massive and disturbing" rate, the latest sign of accelerating climate change in the remote region, scientists said on Tuesday.

Forecaster expects four September hurricanes
September 2, 2008 10:45 AM - Reuters

The noted Colorado State University hurricane research team on Tuesday said it expects well above-average Atlantic hurricane activity in September, with four hurricanes, two of which will become major storms. "We predict that September will be quite active based on climate signals through August," said pioneer hurricane season forecaster Dr. Bill Gray, founder of the research team.

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