Researchers have developed new means of recycling a common pollutant associated with groundwater and agricultural runoff: nitrate.  By developing an electrocatalyst that turns nitrate into ammonia, ...

Supreme Court Justice Samuel Alito delivered a fascinating keynote speech at the Claremont Institute’s 2017 annual dinner on Saturday night. Alito, who received a Statesmanship Award from the ...

PORTLAND, Ore.— Conservation groups submitted a formal legal petition today urging the Environmental Protection Agency to add more than 1,000 industrial and commercial pollutants to its outdated list ...

Researchers at a Scottish university have found a new way to remove a common pollutant from water using controlled waves of ultrasound, without the use of additional chemicals. Subscribe to our ...

Among the many obstacles to enacting federal limits on climate pollution, none has been more daunting than the Supreme Court. That is where the Obama administration’s efforts to regulate power plant ...

Is carbon dioxide a pollutant? A small but vocal group of researchers, authors and government officials say it is time to change the definition. Greenhouse gases including CO2 are considered air ...