- Study: Fuels from corn waste not better than gas Updated: Apr-20-14 1:10 pm
- Sierra Club calls 3-state area 'climate disrupter' Updated: Apr-19-14 7:22 pm
- Appeals court rejects challenge on cement plants Updated: Apr-18-14 2:16 pm
- June groundbreaking planned for Osceola steel mill Updated: Apr-18-14 2:11 pm
- SD Minerals Board OKs conflict of interest rules Updated: Apr-17-14 8:19 pm
- Maui sugar plantation: Still need to burn cane Updated: Apr-17-14 6:23 pm
- Environmental groups slam Pa. smog proposal as lax Updated: Apr-16-14 6:22 pm
- Officials gather in ND to discuss new EPA rules Updated: Apr-16-14 4:06 pm
- Senators back state management of carbon emissions Updated: Apr-15-14 4:28 pm
- Court upholds EPA emission standards Updated: Apr-15-14 4:08 pm
- Top Democratic lawmaker backs off 'carbon tax' Updated: Apr-14-14 7:49 pm
- Group: Install air monitors to study frack sand Updated: Apr-12-14 6:55 pm
- UN climate report balances science and politics Updated: Apr-12-14 9:35 am
- Appeals court finds EPA carbon decision reasonable Updated: Apr-11-14 12:56 pm
- Silver: NY budget a win for environment Updated: Apr-11-14 3:04 am
- California city turns up heat on Sriracha maker Updated: Apr-11-14 2:16 am
- In China, jar of French mountain air fetches $860 Updated: Apr-10-14 8:43 am
- Thousands use free passes for buses, trains Updated: Apr-09-14 12:22 pm
- UN climate panel chair calls for 'enlightenment' Updated: Apr-07-14 2:52 pm
- NJ wildfire smoke hampers air quality in New York Updated: Apr-07-14 12:19 pm
- Wyoming tribe leaders blast US Senate draft bill Updated: Apr-06-14 3:47 pm
- Fairbanks to host fifth wood energy conference Updated: Apr-06-14 6:13 am
- Study touts benefits of wood pellets for energy Updated: Apr-05-14 5:15 pm
- Official's global warming comment draws fire Updated: Apr-05-14 10:08 am
- Climate meeting to discuss future of fossil fuels Updated: Apr-05-14 5:22 am
WASHINGTON - Biofuels made from the leftovers of harvested corn plants are worse than gasoline for global warming in the short term, a study shows, challenging the Obama administration's conclusions that they are a much cleaner oil alternative and will help combat climate change.
SALT LAKE CITY - The Sierra Club branded a geological formation that includes portions of Utah, Colorado and Wyoming as one of six "climate disrupter" regions in the country due to its potential for major fossil fuel development. The characterization comes in a report that one oil company called inaccurate.
WASHINGTON - A federal appeals court on Friday turned aside a challenge by environmental groups to an air pollution standard for cement plants.
OSCEOLA, Arkansas - Groundbreaking on a planned $1.1 billion steel mill in northeast Arkansas is expected to take place in late June.
PIERRE, South Dakota - A state environmental board adopted new rules Thursday requiring members to report conflicts of interest after the U.S. Environmental Protection Agency said South Dakota was among the states not following all requirements of the U.S. Clean Air Act.
KAHULUI, Hawaii - The state's last remaining sugar company has been researching alternatives to burning leaves off its sugar cane crop before harvest.
Environmental groups say Pennsylvania's federally mandated plan to reduce smog would allow coal-fired power plants to emit more pollution than they do now.
BISMARCK, North Dakota - North Dakota Gov. Jack Dalrymple on Wednesday signaled a potential legal challenge to proposed federal rules aimed at cutting carbon dioxide emissions from coal-fired power plants and oil refineries.
BATON ROUGE, Louisiana - Louisiana could have its own, less stringent plan for implementing the Environmental Protection Agency's limits on carbon dioxide emissions, under a proposal that got the approval Tuesday of the Senate Environmental Quality Committee.
WASHINGTON - A federal appeals court on Tuesday upheld the Environmental Protection Agency's first emission standards for mercury and other hazardous air pollutants from coal- and oil-fired power plants.
SACRAMENTO, California - The state Senate leader on Monday backed off an unpopular proposal for a so-called carbon tax on consumer fuels and instead wants to dedicate billions of dollars generated by California's greenhouse gas reduction law to affordable housing, mass transit and high-speed rail.
WINONA, Minnesota - A Winona environmental group is recommending that air monitors be installed around the city to measure the effect that the processing and shipping of sand used in fracking has on air quality.
BERLIN - After racing against the clock in an all-night session, the U.N.'s expert panel on climate change was putting the final touches Saturday on a scientific guide to help governments, industries and regular people take action to stop global warming from reaching dangerous levels.
WASHINGTON - A federal appeals court says the Environmental Protection Agency acted reasonably in deciding not to change the primary air quality standard for carbon monoxide.
ALBANY, New York - New York state officials have set aside $162 million for efforts to reduce air and water pollution and increase green space.
LOS ANGELES - A small Southern California town has turned up the heat on the makers of the wildly popular Sriracha hot sauce, telling them that if they can't keep their bottling plant from smelling up the neighborhood, the city will.
BEIJING - Beijing artist Liang Kegang returned from a business trip in southern France with well-rested lungs and a small item of protest against his home city's choking pollution: a glass jar of clean, Provence air.
SALT LAKE CITY - Utah transportation officials say thousands participated in a program that offered free bus and train passes to people willing to leave their cars at home to improve air quality.
BERLIN - The head of the United Nations scientific panel on climate change urged diplomats and scientists to show "enlightenment" Monday, as they began a weeklong meeting aimed at spelling out in plain terms what options the world has if it wants to prevent catastrophic global warming.
NEW YORK - Authorities say smoke from a brush fire in southern New Jersey could make breathing a chore for people in the New York metropolitan area, some 90 miles away.
RIVERTON, Wyoming - Tribe leaders are opposing a bill co-sponsored by Wyoming's congressional delegation regarding the boundaries of the Wind River Indian Reservation.
FAIRBANKS, Alaska - The University of Alaska Fairbanks Cooperative Extension Service and three other organizations are gearing up for the fifth Alaska Wood Energy Conference.
LA CROSSE, Wisconsin - Using wood pellets for fuel in southwestern Wisconsin could save millions of dollars a year in energy costs, slash carbon dioxide emissions and create at least 80 jobs, according to a study.
INDIANAPOLIS - Indiana's top official in charge of improving the state's air quality has angered some of his co-workers with a remark expressing skepticism about global warming.
BERLIN - After concluding that global warming almost certainly is man-made and poses a grave threat to humanity, the U.N.-sponsored expert panel on climate change is moving on to the next phase: what to do about it.