The headlines scream about war, crime, political strife, economic woes. But underlying it all — and more and more often bubbling to the top — is what future historians will likely look back and call the story of this century: Climate change. Recognizing the importance of this pervasive phenomenon, Covering Climate Now, Columbia Journalism Review, the Solutions Journalism Network, The Guardian and The Nation last fall brought together more than 200 journalists from around the world to deve...