Pollution

Tracking energy’s ‘fugitive emissions,’ from above
Tracking energy’s ‘fugitive emissions,’ from above
Scientists are trying to understand what’s released from the nation’s biggest energy producing regions.
Unlocking the mystery of the Four Corners Methane Hot Spot
Unlocking the mystery of the Four Corners Methane Hot Spot
Scientists zero in on the culprits behind a giant plume of greenhouse gases
Is Yucca Mountain back on the table?
Is Yucca Mountain back on the table?
Obama mothballed the nuclear waste storage project. Now some Republicans seem determined to bring it back out.
Many still living in FEMA’s toxic trailers, investigation finds
Many still living in FEMA’s toxic trailers, investigation finds
From oil fields to reservations, post-Katrina trailers have spread far and wide.
Gold King Mine water was headed for the Animas, anyway
Gold King Mine water was headed for the Animas, anyway
The nuts and bolts of acid mine drainage.
Could fugitive methane help out remote communities?
Could fugitive methane help out remote communities?
The greenhouse gas that seeps from underground is both a problem and opportunity.
Five Western waterways worse than the orange Animas
Five Western waterways worse than the orange Animas
Colorado’s Animas River has gotten the most attention — but it’s hardly alone.
Animas dispatch: Hundreds celebrate the river’s reopening
Animas dispatch: Hundreds celebrate the river’s reopening
Durango may be moving on, but wider fears about the toxic spill still reverberate.
Animas River spill: only the latest in 150 years of pollution
Animas River spill: only the latest in 150 years of pollution
Mapping the other threats to the Animas and San Juan Rivers.
When our river turned orange
When our river turned orange
Nine things you need to know about the Animas River mine waste spill.
Obama slashes greenhouse gas emissions from power plants
Obama slashes greenhouse gas emissions from power plants
The EPA's historic Clean Power Plan makes a big push for renewables.
Arrival of the cost-benefit state
Arrival of the cost-benefit state
The Supreme Court wants the Environmental Protection Agency to weigh human health against costs to industry.
Wilderness vs. mining, Roundup research and Western prisons
In the middle of nowhere, a Promised Land
In the middle of nowhere, a Promised Land
A group with chemical sensitivities makes a community in the Arizona desert.
EPA to study effects of Roundup on 1,500 endangered species
EPA to study effects of Roundup on 1,500 endangered species
300 million pounds of glyphosate are used in the U.S. each year, but its impacts are largely unknown.
How the California drought exacerbates water contamination
How the California drought exacerbates water contamination
This rural community couldn't drink the water, even if they had it.
Old mines still plague Montana's Clark Fork
Old mines still plague Montana's Clark Fork
Why one of the nation's largest Superfund river sites can't address pollution from abandoned mines.
Court sides with industry on power plant emissions
Court sides with industry on power plant emissions
Supreme Court decision is a setback to one of the biggest environmental actions of the Obama administration.
Methane leaks from oil and gas production on federal lands
Methane leaks from oil and gas production on federal lands
New proposals from EPA and BLM to curtail leaks are due out this summer.
Mapping 7 million gallons of crude oil spills
Mapping 7 million gallons of crude oil spills
A thousand pipeline ruptures or spills reported nationwide in the past five years.
Natural gas leaks are dangerous and exacerbate climate change
Natural gas leaks are dangerous and exacerbate climate change
Plus, enough gas has escaped infrastructure since 2010 to heat 170,000 homes for a year.
EPA says fracking could contaminate drinking water
EPA says fracking could contaminate drinking water
Feds identify no widespread problem but concede to insufficient data.
Western cities ranked by most polluted air
Western cities ranked by most polluted air
Los Angeles and Fresno are worst, Prescott and Bellingham best.