Pope Francis sparked worldwide discussion and jubilation among many green advocates after releasing Laudato Si, the first Papal encyclical to focus directly on the environment. The pontiff touched on everything from pollution and sustainable development, to anthropogenic climate change and water security in his 180-page missive.

In 1968, Stanford University biologist Paul Ehrlich predicted hundreds of millions would starve to death over the next decade, many of them Americans, and the world would generally decline into chaos in his book The Population Bomb.

“Alphonse, however, had not come to talk. Without saying a word, he raised a machete and brought it down onto his uncle’s skull.”

“Saving the planet depends on women achieving full human rights, and that begins with reproductive rights,” writes the Natural Resources Defense Council’s Frances Beinecke in a new set of essays on reproductive health published by the United Nations Foundation and the Aspen Institute.

Years ago, when I was a diplomatic correspondent at a large national magazine, if I encountered what I thought of as “science stuff,” I sent it to the science desk. I was busy covering foreign policy, wars, and ethnic and religious conflicts – not science. It was only when I took a new job focused on educating the U.S. media on a wide range of international issues that I began to discover the rich world I had overlooked, and see new links and connections.

“The idea that there’s an information deficit – that if you fill it, it’ll change the world – is fantasy,” says Andrew Revkin in an interview at the Wilson Center.