Rate of Global Warming

This is a few months old, but it remains so relevant. Direct link to xkcd - manages to deliver the succinct history of mankind, and change in temperature in one amazingly long graphic!

Tree Communities and Collaboration

Trees collaborate actively for resources (carbon, nitrogen, etc.) and even communicate on dangers ... it's quite mind blowing. 

Ted Page: https://www.ted.com/talks/suzanne_simard_how_trees_talk_to_each_other