The US is heating up! America witnesses dramatic rise in temperatures over last 4 decades: Federal report
The report says extreme heat waves have become more common and extreme cold waves less common since the 1980s.
Aug 08, 2017, 12:51 PM IST
The report says extreme heat waves have become more common and extreme cold waves less common since the 1980s.
Aug 08, 2017, 12:51 PM IST