Newsletter www.usnews.com Pew: Americans see cyberattacks, climate change as biggest threats to US According to a new study, Americans also view climate change, China and Iran as top threats.
Impacts www.usnews.com Winter rain in Greenland speeds up melting of ice sheet Researchers were surprised by the number of rain instances in the winter.
Politics www.usnews.com Evidence humans are causing global warming reaches 'gold standard' Researchers said that 'humanity cannot afford to ignore' the rising temperatures.
Impacts www.usnews.com Drought and beetle epidemic killed 18 million trees in California in 2018 Following years of drought, continued low precipitation in California has slowed the recovery of surviving trees.
