Citizen scientists reached a major milestone in early May 2012 by contributing over one million observations on the environment to Nature’s Notebook.

Many volcanoes around the world lack effective monitoring programs.

The heat wave that scorched Russia in 2010 was three times more likely under current conditions of global warming than it would have been in the 1960s, a new study suggests.

A sobering warning of costly consequences by 2050 if actions are not taken to put the world on a sustainable path.

“Where’s the hottest place on Earth” is a contentious issue. Some contenders: Iran’s Lut Desert, China’s Turpan Basin and the badlands in Queensland, Australia.

New research suggests that the fungus that causes the bat-killing white nose syndrome is likely an invasive species introduced to North America from Europe.

White-nose syndrome, a deadly fungal disease affecting bats in North America, has spread to Alabama, Missouri and Delaware, according to wildlife officials.

The maximum extent of Arctic sea ice during 2012 was the ninth lowest in the satellite record.

Mark van Loosdrecht wins the Lee Kuan Yew Water Prize for his work in improving the sustainability of wastewater treatment technology.

Scientists working at the Rocky Mountain Biological Laboratory have linked declining butterfly populations to early spring snow melts.