"A surprising hot spot of the potent global-warming gas methane hovers over part of the southwestern U.S., according to satellite data."

"The Environmental Protection Agency (EPA) sent potential changes to the standard for ground-level ozone to the White House Office of Management and Budget on Wednesday."

"Methane emissions from oil and gas wells on federal lands and waters jumped 135 percent from 2008 to 2013, an analysis shows, driven by a drilling boom in New Mexico and North Dakota that has outpaced the building of pipelines and processing centers."

"The Supreme Court on Monday rejected an industry challenge to U.S. Environmental Protection Agency regulations issued by Republican former President George W. Bush's administration that set standards for ozone pollution."

"When Twa-le Abrahamson-Swan tested her Spokane, Washington, home for radon, she already knew about the dangers of the invisible, odorless radioactive gas."

"A week before major UN talks on climate change, EPA extends comment period for rule to cut carbon pollution from plants."

"The ozone layer that shields life from cancer-causing solar rays is showing its first sign of recovery after years of dangerous depletion, a U.N. study said on Wednesday, in a rare piece of good news on the environment."

"Every day at remote oil fields across the globe, unwanted gas burns skyward. What goes up in flames could meet a quarter of the United States' natural gas demand. A small nonprofit using satellite imagery puts it on the map."

NEW ORLEANS -- Gen. Russell Honoré, the New Orleans hero who restored
order after Hurricane Katrina, is now inspiring and consolidating
grass-roots anti-pollution activism under the banner of a "Green
Army." One of their first missions is strengthening EPA's proposed
rule for toxic emissions from the refineries which pollute Southern
Louisiana neighborhoods. Among the places Honoré has sounded his call
to arms was the Society of Environmental Journalists' meeting October
3. Julie Dermansky report on the Green Army for DeSmogBlog August 20,
2014, before the SEJ meeting.

"The U.S. Environmental Protection Agency staff said Friday that the nation should tighten smog rules significantly, a step that would improve air quality in California but force costly new requirements on government and industry."