Climate change can seem like an insurmountable challenge. But many tools and policies to decarbonize the economy and build resilience are readily available, says Billy Fleming, director of The McHarg Center and one of the editors of the new Lincoln Institute book Design with Nature Now. The green and blue infrastructure systems detailed in the book are proven solutions that need only be implemented on a larger scale – in a national mobilization similar to preparing for war or sending a man to the moon