Officials weighing federal applications by utilities to build new coal-fired power plants cannot consider their greenhouse gas output, the head of the Environmental Protection Agency ruled.
An Interior Department proposal raised tensions between hikers and bikers, who face off on dirt byways all over the country.
A federal agency rejected an appeal to build a toll road that would cut through a California state park and pass near a world-class surf break.
President-elect Barack Obama named a physicist and a biologist to top science posts, signaling a change from Bush administration policies on global warming
Senator Ken Salazar of Colorado was not the first choice of environmental advocates for the Interior Department.
The $1.34 billion deal to buy nearly 300 square miles of land could reshape both the Everglades and the sugar business.
After the president-elect introduced some new members of his team, aides confirmed that he would select Senator Ken Salazar as interior secretary.
There is still a big split on how best to cut the odds of dangerous outcomes from climate change. Can Barack Obama mediate?
Interior Department officials manipulated scientific facts to limit protections for species at risk of becoming extinct, an inspector general said.
Fears over the economy added to the criticisms of Florida’s proposed $1.34 billion deal with the United States Sugar Corporation.
Scientists at the University of Nevada, Reno, have made diesel fuel from used coffee grounds.
Australia announced plans to reduce its greenhouse gas emissions by between 5 and 15 percent by 2020, angering environmental groups that had lobbied for much deeper cuts.
Even in the recession, the solar industry is growing, and many jobs are available.
December 20, 2008, 2:36 PM
Obama pledges to embrace scientific advice, no matter how inconvenient.
December 19, 2008, 10:36 AM
What would you like to ask the science team advising the 44th president?
December 18, 2008, 9:26 PM
Jane Lubchenco, tapped to run the agency studying seas and the atmosphere, answers questions on marine conservation.
December 19, 2008, 3:26 PM
Ten Northeastern states took in $106.5 million from their second auction for carbon-dioxide emission allowances, and much of the money will go toward energy-efficiency programs.
December 19, 2008, 2:35 PM
The Sunrise Powerlink Transmission Project proposed by San Diego Gas and Electric Co. provoked anger among local environmental groups, which were successful in persuading the commission not to allow the line to run through the Anza-Borrego Desert State Park.
December 19, 2008, 10:15 AM
Imara, a start-up that makes lithium-ion batteries that it asserts last longer and are better for the environment than other batteries, made its public debut this week.
December 19, 2008, 10:04 AM
The questionable quality of Chinese cars has been the butt of many jokes, but it looks as though BYD Auto of Shenzhen, China, might be having the last laugh.
Carol M. Browner was named to the new position of White House coordinator for energy and environment. Barack Obama also said that he was nominating Steven Chu as Energy secretary.
The mountain pine beetle, an insect pest, is destroying massive swaths of American lodgepole pine.
Alexandra Morton, a self-trained biologist, has been battling fish farms in British Columbia that she says are endangering wild salmon runs.
The cabin where Henry David Thoreau lived is no longer there. Walden Pond has changed in other ways as well.
There are big differences in emissions between companies, and from state to state, that may make it harder to reach agreements on cuts.
Andrew C. Revkin explores plans to ease traffic congestion and promote sustainability by charging drivers to use New York City streets.
For Beijing’s 12 million residents, air pollution is a serious problem.
Video: Obama Announces Two Cabinet Picks
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