Scientists: Global warming may hinder timber output in low-level Northwest forests

Study: Warmed NW forests may yield less timber

Worldwide gatherings mark ‘350′ number on climate change ahead of Copenhagen conference

Global events mark magic number on climate change

Belief in global warming is cooling, poll says, as Congress weighs limits on emissions

WASHINGTON — Americans seem to be cooling toward global warming.

As Congress weighs limits on global warming gases, survey finds more Americans doubt science

WASHINGTON — The number of Americans who believe there is solid evidence the Earth is warming because of pollution is at its lowest point in three years, according to a survey released Thursday.

Utah lawmakers get differing views on climate change, root causes of warming at hearing

SALT LAKE CITY — Utah lawmakers heard competing views on climate change Wednesday: one emphasizing the vast scientific consensus about warming trends and humanity’s influence and another raising doubts about the root causes.

Report: Climate change means more hungry children, greater investment in farming needed

JOHANNESBURG — Scientists fear climate change will mean 25 million more hungry children over the next four decades, with subsistence farmers in Africa and Asia particularly hard hit by global warming, according to a report issued Wednesday.

Rift opens between major utilities and US Chamber of Commerce over climate change

ALBUQUERQUE, N.M. — A rift widened between the U.S. Chamber of Commerce and some utilities as another major power provider quit over the business group’s hard stance on pending climate regulation.

If greenhouse gases are cut as planned, Earth still gets 6 degrees hotter, update suggests

WASHINGTON — Earth’s temperature is likely to jump nearly 6 degrees between now and the end of the century even if every country cuts greenhouse gas emissions as proposed, according to a United Nations update.

If every country cuts greenhouse gases as currently planned, Earth still gets 6 degrees hotter

WASHINGTON — A United Nations update says Earth’s temperature is likely to jump nearly 6 more degrees by 2100 even if every country cuts greenhouse gas emissions as planned.

Warming ocean melts Greenland glaciers, alters marine ecosystems

SERMILIK FJORD, Greenland — With whale fins splashing in the distance, Ruth Curry hauls up her catch from the blustery deck of an icebreaker.

EPA tells court it will redo Bush-era smog standard because it doesn’t follow pollution law

WASHINGTON — The Obama administration signaled Wednesday that it would scrap a controversial Bush-era rule that set stricter limits for smog but fell short of scientific recommendations.

EPA tells court it will redo Bush smog standard that didn’t follow scientists’ advice

WASHINGTON — The Obama administration signaled Wednesday that it would scrap a controversial Bush-era rule that set stricter limits for smog but fell short of scientific recommendations.

China’s current growth path could exceed energy resources of the planet by 2050

BEIJING — If China’s economy continues to expand rapidly and rely heavily on coal and other fossil fuels until the middle of the century, its power consumption would be unsustainable, according to a study by government think tanks released Wednesday.

Scientists work to unravel what’s behind Greenland’s mysterious melt, at glacial pace

HELHEIM GLACIER, Greenland — Suddenly and without warning, the gigantic river of ice sped up, causing it to spit icebergs ever faster into the ocean off southeastern Greenland.

Researchers say Arctic warming has widespread effects on Arctic plants, animals

WASHINGTON — Arctic warming is affecting plants, birds, animals and insects as ice melts and the growing season changes, scientists report in a new review of the many impacts climate change is having on the far north.

Mass. science center on Cape Cod to build ocean monitoring stations to research climate change

FALMOUTH, Mass. — A Massachusetts ocean studies institute is building underwater data collection stations to help researchers understand the ocean’s role in climate change.

Arctic warmest in 2,000 years, reversing long-term cooling trend in the region

WASHINGTON — The Arctic is warmer than it’s been in 2,000 years, even though it should be cooling because of changes in the Earth’s orbit that cause the region to get less direct sunlight. Indeed, the Arctic had been cooling for nearly two millennia before reversing course in the last century and starting to warm as human activities added greenhouse gases to the atmosphere.

Study says climate change threatens water, food security for 1.6 billion people in South Asia

KATMANDU, Nepal — Effects of climate change including the melting of Himalayan glaciers threaten water and food security for more than 1.6 billion people living in South Asia, according to a study released Wednesday.

Germany’s forward-looking GfK consumer climate survey rises for September

FRANKFURT — German consumers’ confidence in their economy — Europe’s largest — continued to rise as growth and income expectations for September increased from August, a leading survey said Thursday.