Changes in snowmelt threaten farmers in western U.S.

Changes in snowmelt threaten farmers in western U.S.: Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.

In an article published today in Nature Climate Change, an interdisciplinary team of researchers analyzed monthly irrigation water demand together with snowmelt runo...

Praga de Justiniano: A primeira pandemia da História

Praga de Justiniano: A primeira pandemia da História: Exército do imperador bizantino Justiniano pode ter espalhado uma peste para toda a Europa