For the first time in the survey’s 10-year outlook, the top five global risks in terms of likelihood are all environmental. They are: extreme weather events, failure of climate change mitigation and adaptation, major natural disasters, major biodiversity loss and ecosystem collapse, and human-made environmental damage and disasters.

In the Inner Mongolian county of Horinger, Northwestern China, afforestation efforts have transformed a barren, dusty landscape into a pine forest. Planting trees has diminished the sandstorms, boosted biodiversity and improved the environment generally. As the climate emergency worsens, the potential for planted trees to draw carbon out of the atmosphere is being re-examined. What can the world learn from the Chinese experience with afforestation?