Who doesn't like a good story, especially one that sharpens your thinking about the future? Science fiction has been doing that for generations, and now, a growing number of sci fi and speculative fiction writers around the world are imaging wh...

Most of us on earth now live in cities. By 2050, more than two-thirds of us will. And by the end of this century, demographers predict, 85% of the world’s population will live in cities. By then, demographers estimate, cities like Lagos in Nige...

We've all got to eat. And climate change is throwing us new challenges as to how to feed a global population that's getting bigger, more urban, and more affluent  -- and make sure the world's poorest have enough nutritious food too.

Enjoy  nature?  Well,  do it while you can.  We’re losing as many as 200 species a day, scientists say  – plants, animals, birds, bugs – with cascading effects for all other species, including humans. And it's humans – ...

Himalayan glaciers have long served as a frozen water tower, releasing water on which billions of Asians rely — into ten of Asia's mighty rivers, into agricultural and food systems, and into ground water.  Climate change is now rapidly mel...