Environment
Charting the Planet's Path to 100% Renewable Energy
A speedy transition to wind, water, and solar could avert catastrophic climate change. For the 139 countries that backed the Paris agreement, it’s within reach.
Updated on August 24 at 3 p.m.
How quickly could the majority of planet wean itself off of coal, oil, and gas? For $124.7 trillion, perhaps within just a few decades.