WASHINGTON: Earth's heat is stuck on high. Thanks to a combination of global warming and an El Nino, the planet shattered monthly heat records for an unprecedented 12th straight month, as April smashed the old record by half a degree, according to federal scientists. The National Oceanic and Atmospheric Administration's (NOAA) monthly climate calculation said that earth's average temperature in April was 14.8 degrees Celsius. That is 1. 1C warmer than the 20th century average...
