US proposes stricter ozone limits
The US Environmental Protection Agency announced plans Wednesday to strengthen emission regulations for ozone, a smog-causing pollutant blamed for respiratory ailments affecting millions of Americans.
India court slams Delhi's worsening air pollution
India's environment court has slammed the government over the capital's horrendous air pollution, which it said was "getting worse" every day, and ordered a string of measures to bring it down.
US to propose stricter smog standard
Coming full circle on a campaign promise, the Obama administration will propose Wednesday to reduce the amount of smog-forming pollution allowed in the air, which has been linked to asthma, lung damage and ...
US top court to review power plant emissions rules
The US Supreme Court said on Tuesday it will review national environmental standards requiring power plants to reduce emissions of mercury and other toxic pollutants.
European urbanites breathing highly polluted air: report
As many as nine in 10 European city dwellers breathe air high in pollutants, blamed for 400,000 premature deaths every year, the European Environment Agency (EEA) said Wednesday.
Engineers develop new sensor to detect tiny individual nanoparticles
Nanoparticles, engineered materials about a billionth of a meter in size, are around us every day. Although they are tiny, they can benefit human health, as in some innovative early cancer treatments, but ...
Electric drive vehicles have little impact on US pollutant emissions, study finds
(Phys.org) —A new study from North Carolina State University indicates that even a sharp increase in the use of electric drive passenger vehicles (EDVs) by 2050 would not significantly reduce emissions of ...
Global ocean currents explain why Northern Hemisphere is the soggier one
A quick glance at a world precipitation map shows that most tropical rain falls in the Northern Hemisphere. The Palmyra Atoll, at 6 degrees north, gets 175 inches of rain a year, while an equal distance on ...
Sea surface is a sink for nitrogen oxides at night
The surface of the sea takes up nitrogen oxides that build up in polluted air at night, new measurements on the coast of southern California have shown. The ocean removes about 15 percent of these chemicals ...
Air pollution tied to exports: Study finds blowback causes extra day per year of ozone smog in LA
Chinese air pollution blowing across the Pacific Ocean is often caused by the manufacturing of goods for export to the U.S. and Europe, according to findings by UC Irvine and other researchers published today ...
EU court says Britain must cut air pollution
Britain must take action in as "short as possible" a time to cut air pollution in line with European standards, the EU's top court ruled Wednesday.
Study shows lower ozone pollution in Sao Paulo when drivers switched from ethanol to gasoline
Want to feed the world? Tackle pollution from ozone and soot
Researchers have long known that man-made climate change will harm yields of important crops, possibly causing problems for the world's food security. But new research shows air pollution doesn't just harm ...
WHO sets guidelines to reduce indoor pollution deaths
The World Health Organization on Wednesday announced its first-ever guidelines for indoor air pollution related to cooking, heating and lighting, a problem estimated to kill more than four million people per year.