China Seen Topping U.S. Carbon Emissions in 2007  [archive]
by Emma Graham-Harrison and Gerard Wynn, Reuters, 3/23/2007
China is on course to overtake the United States this year as the world's biggest carbon emitter, estimates based on Chinese energy data show.

Climate Studies Show Polar Warming Trend  [archive]
by Patrick O'Driscoll, USA Today, March 2007
A paper by three Colorado researchers says Arctic sea ice, declining in extent by the month since 1979, already may have reached a "tipping point" that could cascade quickly into multiple climate change effects in temperate regions.

Technology, Climate Change Spark Race to Claim Arctic Resources  [archive]
by Doug Mellgren, AP, 3/24/2007
As climate change alters arctic regions, some see a lucrative silver lining of riches waiting to be snatched from the deep, and the prospect of timesaving sea lanes that could transform the shipping industry the way the Suez Canal did in the 19th century.

Science

Study: Oceans Acidify from CO2 Buildup [archive]
from AP, 3/22/2007
The addition of carbon dioxide to the ocean alters marine chemistry by increasing acidity, posing a threat to shelled organisms and their predators, a U.S. study suggests.

New Carbon Emissions Tracking System Announced [archive]
by Anne Roberts, earthtimes.org, 3/24/2007
Researchers at the National Oceanic and Atmospheric Administration's Earth System Research Laboratory have announced the creation of a new system, which can track the changes in carbon dioxide emissions from various regions.

Carbon Market

'Cap and Trade' Gaining Favor  [archive]
by Robert Collier, San Francisco Chronicle, 3/21/2007
Emissions trading has won support from corporations and lawmakers who worry that strict global warming limits could damage the U.S. economy.

Another Inconvenient Truth   [archive]
from Business Week, 3/26/2007
Carbon offsets have become one of the most widely promoted products marketed to "checkbook environmentalists," but some of the deals don't deliver.

Effort Afoot to Start U.S. Climate Registry  [archive]
by Bernie Woodall, Reuters, 3/21/2007
Thirty-three states have informally agreed to create a registry for companies and organizations to log early actions on cutting output of gases linked to global warming--and possibly get credit for them if future limits on the gases are passed.

Politics/Legislation

FEATURED ARTICLE:
Gore Warns Congress of 'Planetary Emergency'  [archive]
by Felicity Barringer and Andrew C. Revkin, New York Times, 3/21/2007
Former Vice President Al Gore went to Congress to insist that global warming constitutes a “planetary emergency” requiring an aggressive federal response.

U.S. Objects to G-8 Emissions PLan  [archive]
from AP/TIME, 3/19/2007
The U.S. objected to key parts of a discussion on climate change at a meeting between G-8 environmental officials and representatives from five influential developing nations, Germany's environment minister said.

States Work to Reduce Global Warming  [archive]
by Erin Kelly, Gannett News Service, 3/25/2007
As more and more states band together to fight global warming, their efforts are moving beyond mere symbolism and becoming big enough to make a real dent in the problem, analysts and environmental groups say.

U.S. Institutional Investors Sign Pact Urging Congress to Enact 'Green' Legislation  [archive]
by John Donnelly, The Boston Globe, 3/20/2007
Dozens of institutional investors managing a combined $4 trillion in assets — led by a Boston investment firm that specializes in environmental issues — have signed a statement urging Congress to pass strict laws to curb greenhouse gas emissions.