Super Droughts News Today

We want to turn our attention now to climate change so far this year. 2015 has been the hottest year the world has seen. and now this past july has set a heat record also with these increased temperatures scientists are stressing the importance of one number. 2 degrees celsius. heres why. >>. >> reporter: 2 degrees celsius. its probably the most important number youve never heard of. environmental policy experts say that temperatures, 2 degrees celsius, or 3.6 fahrenheit, may be the edge of the ...