David MacKay on Sustainable Energy

In 2008 David MacKay FRS, the Regius Professor of Engineering at the University of Cambridge, wrote a book Sustainable Energy – without the hot air. This book is available free at his site www.withouthotair.com

The biggest takeaway I had from the book was this:

Have no illusions. To achieve our goal of getting off fossil fuels, these
reductions in demand and increases in supply must be big. Don’t be distracted
by the myth that “every little helps.” If everyone does a little, we’ll
achieve only a little. We must do a lot. What’s required are big changes in
demand and in supply.