End of Green Sahara linked to SE Asia megadrought
In a new study links the end of the Green Sahara with a previously unknown megadrought which caused mass population shifts in Southeast Asia...
Downstream effects: Sturgeon lifespan, fertility vary strikingly with river conditions
New research has found that pallid sturgeon stocked in a northerly segment of the Missouri River live an average of three times longer, produce...
Firefighters exposed to more potentially harmful chemicals than previously thought
On-duty firefighters experienced higher exposures of polycyclic aromatic hydrocarbons, or PAHs, which are a family of chemicals that are known to have the potential...
Anthropogenic CO2 increase is unprecedented
Even in earlier warm periods there were pulse-like releases of CO2 to the atmosphere. Today's anthropogenic CO2 rise, however, is more than six times...
Past rapid warming levels in the Arctic associated with widespread climate changes
Using Greenland ice cores, new research is the first to confirm the longstanding assumption that climate changes between the tropics and the Arctic were...
Greenland ice sheet shows losses in 2019
The Greenland Ice Sheet recorded a new record loss of mass in 2019. This was the finding of a team of international researchers after...
Research shows air pollution could play role in development of cardiometabolic diseases
Air pollution is the world's leading environmental risk factor, and causes more than nine million deaths per year. New research shows air pollution may...
February lockdown in China caused a drop in some types of air pollution, but...
Nitrogen dioxide, which comes from transportation, was half of what would be expected over China in February 2020. Other emissions and cloud properties, however,...
Coronavirus SARS-CoV-2 spreads more indoors at low humidity
The airborne transmission of the coronavirus SARS-CoV-2 via aerosol particles in indoor environment seems to be strongly influenced by relative humidity, concludes the analysis...
3D printing ‘greener’ buildings using local soil
Scientists report progress toward a sustainable building material made from local soil, using a 3D printer.




















