Krupp, longtime president of the Environmental Defense Fund, and Horn present a stirring and hopeful call to arms as they feature the bold innovators and investors who are reinventing energy and the ways we use it.

The twentieth century saw unprecedented growth in population, energy consumption, and food production. As the population shifted from rural to urban, human impacts on the environment increased dramatically. The twenty-first century ushered in an era of declines, including: Oil, natural gas, and coal extraction Yearly grain harvests Climate stability Economic growth Fresh water Minerals and ores such as copper and platinum To adapt to this profoundly...

"This text argues we're not going to solve the energy problem by convincing everyone to live like it's 1900 because that's not a good thing. Instead of reverting to the past, we have to build a future where we get energy from new places, use it in new ways, and do more with less. Clean coal? Natural gas? Nuclear? Electric cars? We'll need them all. When you look at the numbers, you'll find that we'll still be using fossil fuels, nuclear, and renewables...