From governments to airlines to your favorite eco-friendly clothing brand, tree-planting campaigns are everywhere. Reforesting the planet has become one of the quickest, easiest and most ubiquitous ways to reduce our carbon footprint...but is it actually helping to stop climate change? Ecologist Thomas Crowther speaks with Chris about how planting trees can actually hurt the environment -- unless it's done right. In which case, it can be a pivotal solution in our efforts to end the climate crisis. Can’t get enough TED? Become a member for access to exclusive events, global conversations, and more. Join now: go.ted.com/podmembers