January was the hottest month since records began in 1910 – it’s getting hotter, and extreme heat is happening more often.

Kimb0lene/Flickr

This summer hasn’t just felt hot. It’s been hot. In fact, the summer of 2012-13 is now the hottest on record. Average temperatures beat the record set in the summer of 1997-98, and daytime maximum temperatures knocked over the 1982-83 record. January 2013 has been the hottest month since records began in 1910.

To keep reading, click here.