Russian heat wave 'had both manmade and natural causes'
Wednesday, February 22, 2012 - 08:31
in Physics & Chemistry
(PhysOrg.com) -- The heat wave that struck western Russia in summer 2010, causing 55,000 deaths, was caused by a combination of manmade and natural factors. However, the frequency of occurrence of such heat waves has increased by a factor of three over recent decades, new research suggests.