The U.S., Europe and Russia face longer heat waves because summer winds that used to bring in cool ocean air have been weakened by climate change, German researchers said. Rapid Arctic warming disturbs air streams in ways that have “significantly” reduced summer storms, raising the likelihood of heat waves, the Potsdam Institute for Climate Impact Research said in a report Thursday in the journal Science. Hot weather in Russia in 2010 devastated crop harvests and caused wildfires. “Unabated climate change will probably further weaken summer circulation patterns which could […]