News & Comment

Global environmental change is largely indifferent to political boundaries, but meeting the challenges they pose in the future will inevitably require cross-border cooperation. We talk to David Lehrer, Executive Director at The Arava Institute for Environmental Studies, about how this challenge is at the heart of their academic mission.

Felix Finkbeiner founded Plant-for-the-Planet as a nine year old. In the ten years since then, 15 billion trees have been planted globally as part of the initiative. Tom Crowther was inspired by this mission, and decided to help by conducting a research project to map the world’s trees, revealing that there are just over 3 trillion trees on Earth. We spoke to them both about their collaboration.