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Melting Arctic Sea Ice Diluting Surface Water - Threatens Shellfish, Entire Polar Food Chain

by Matthew McDermott, New York, NY on 11.20.09
Science & Technology

pteropod photo
photo: Wikipedia.

Here's a not so comforting discovery: A new paper in Science magazine says that Arctic sea ice melting is starting to dilute surface waters and threatening the tiny shellfish called pteropods that are the base of the Arctic food chain. Those small swimming snails get eaten by fish, which in turn get eaten by polar bears and seals. Yeah, not so good:

Article continues: Melting Arctic Sea Ice Diluting Surface Water - Threatens Shellfish, Entire Polar Food Chain

Climate Change-Induced Drought Causing Crop Failure, Livestock Problems in Indian Himalayas

by Matthew McDermott, New York, NY on 11.19.09
Science & Technology

himalaya farming photo
Less precipitation falling, and when it comes it falls in a shorter period of time... photo: Harry via flickr.

Compared to the focus on Arctic and Antarctic ice melting, glacial retreat and climate change in the Himalaya doesn't quite get the same coverage. Which, as a new survey by Indian NGO Navdanya shows, is a shame as the effects of global warming on the region are already directly impacting the lives of people who did nothing to create the problem:

Article continues: Climate Change-Induced Drought Causing Crop Failure, Livestock Problems in Indian Himalayas

Confirmed: Oceans Absorbing Less CO2 - First Year-by-Year Study Goes Back to 1765

by Matthew McDermott, New York, NY on 11.19.09
Science & Technology

ocean photo
photo: Shayne Kaye via flickr.

The first year-by-year study of the amount of carbon dioxide absorbed by the world's oceans since the industrial revolution confirms a disturbing trend: Oceans are struggling to keep up with all the carbon humans are spewing into the atmosphere, with the proportion of emissions absorbed declining as much as 10% since 2000. The study, led by Samar Khatiwala from the Lamont-Doherty Earth Observatory of Columbia University, has been published in the latest edition of Nature, but this is the gist of it:

Article continues: Confirmed: Oceans Absorbing Less CO2 - First Year-by-Year Study Goes Back to 1765

CO2 Emissions Rose 2% in 2008, Despite Recession - We're On Target for 6°C Temperature Rise

by Matthew McDermott, New York, NY on 11.17.09
Science & Technology

globe made in china photo
photo: Steve via flickr.

Here are two sobering thoughts: 1) New research shows that despite last year's global recession total CO2 emissions still climbed 2% in 2008; and, 2) the Global Carbon Project adds, without strong action in Copenhagen we won't be able to stabilize temperatures in "a smooth and organized way" and that its five or six degrees Celsius warming that we're in for:

Article continues: CO2 Emissions Rose 2% in 2008, Despite Recession - We're On Target for 6°C Temperature Rise

Mangroves & Coastal Wetlands Store 50 Times More Carbon Than Tropical Forests by Area

by Matthew McDermott, New York, NY on 11.17.09
Science & Technology

japan mangrove photo
Mangrove photo: Ken Funakoshi via flickr.

More and more research has been coming out recently on how much carbon is stored in different ecosystems. The latest is from an IUCN report (via Mongabay) which shows that coastal habitats store up to 50 times more carbon in their soils by area than tropical forests, and ten more than temperate forests too:

Article continues: Mangroves & Coastal Wetlands Store 50 Times More Carbon Than Tropical Forests by Area

US Record High Temperatures Double Record Lows Over Past Decade

by Matthew McDermott, New York, NY on 11.13.09
Science & Technology

thermometer photo
photo: Mr. T in DC via flickr.

Striking one against the 'it's so cold outside that global warming must be a myth' crowd comes this next piece, via Science Codex. Research to be published in the journal Geophysical Research Letters shows that over the past decade the number of record hot days has been double the number of record cold days:

Article continues: US Record High Temperatures Double Record Lows Over Past Decade

Good News/Bad News - Amazon Deforestation Reaches Record Low, But Greenland Ice Melt Accelerating

by Matthew McDermott, New York, NY on 11.13.09
Science & Technology

greenland ice cap photo
photo: kaet44 via flickr.

A mixed bag in climate change news this morning: Satellite imagery reveals that Amazon deforestation has dropped to the lowest rate since Brazil began monitoring efforts, President Inácio Lula da Silva announced yesterday afternoon. Woo hoo! But a new article in the journal Science shows that the Greenland Ice Sheet is losing mass an accelerating rate. D'oh!

Article continues: Good News/Bad News - Amazon Deforestation Reaches Record Low, But Greenland Ice Melt Accelerating

Dhaka, Manila & Jakarta Worst Climate-Affected Asian Mega-Cities - Hits Closer to Home Than You Might Think

by Matthew McDermott, New York, NY on 11.12.09
Science & Technology

jakarta photo
Jakarta, Indonesia photo: flydime via flickr.

Want to know which cities in Asia are going to get really whacked by climate change, and which ones have the greatest ability to adapt to it? Well, WWF has just released a new report that ranks 11 of them in terms of their climate vulnerability. Let's just say being a resident on Dhaka, Manila or Jakarta isn't going to be much fun towards the middle of this century and beyond:

Article continues: Dhaka, Manila & Jakarta Worst Climate-Affected Asian Mega-Cities - Hits Closer to Home Than You Might Think
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