Can We Reach 100% Renewable Energy in Time to Avoid Climate Catastrophe?

"Ten years ago, two climate scientists, Mark Jacobson and Mark Delucchi, published a groundbreaking article in Scientific American outlining a road map for becoming 100 percent reliant on energy generated by water, wind and sun by 2030. This was something that needed to be done "if the world has any hope of slowing climate change," the researchers warned at the time."