High latitude regions of the planet like the Arctic are experiencing the greatest warming.  But tropical areas, which see a much smaller temperature range during the year, are showing the most significant signs of warming. The warming signal in the tropics will likely exceed past temperature ranges in the next two decades. A global temperate increase of 1 degree Celsius is lower than all economically plausible emissions scenarios. But that one degree makes a huge difference in the tropics, and... [Read more]