Deadly Heat May Threaten Majority of Humankind

AHORE, PUNJAB, PAKISTAN - 2017/06/04: Pakistani people taking a bath in the canal water to beat the heat and get some relief from the extremely hot weather during the eighth day of the holy month of Ramzan ul Mubarak. A maximum temperature of 47 degrees Celsius in Lahore was recorded. Experts have forecast the prevailing harsh weather conditions to persist during the next week; sizzling heat forced people to stay indoors, decreasing traffic on otherwise busy roads at noon and in the afternoon.

In this photograph from August 9, 2010, people rest on the Manezhaya Square just outside the Kremlin in Moscow, Russia. In 2010, the Russian capital became engulfed by poisonous smog from wildfires and a sweltering heat wave that killed some 55,000 people across western Russia.