Mockingbirds exposed to sub-lethal levels of lead in urban areas display significantly heightened aggression, said Morris Animal Foundation-funded researchers at Tulane University. 

Land conservation programs that have converted tens of thousands of acres of agricultural land in Illinois back to a more natural state appear to have helped some rare birds increase their populations to historic levels, a new study finds. 

Two UBC Okanagan biologists, who have publicly solicited images of wild cats for their research, say telling the difference between a bobcat or a lynx can be difficult.

If we are ever to reduce the quantity of plastics being dumped into the environment, efficient recycling is essential.

A recent study, affiliated with UNIST has developed a system that produces electricity and hydrogen (H2) while eliminating carbon dioxide (CO2), which is the main contributor of global warming.

A teenager in Northern California has collected more than 50,000 golf balls — weighing some 2.5 tons — from the bottom of the ocean over the past two years.

As local, federal, and international policies targeting the quality of the air we breathe continue to evolve, questions arise of how effective existing policies have been in improving human health.

For many years, China has been struggling to tackle high pollution levels that are crippling its major cities. 

More than one in 10 people in the world lack basic drinking water access.

More than 5.6 million Americans are potentially exposed to nitrate in drinking water at levels that could cause health problems, according to a new study.