Researchers have created a map that grades the sustainability of food systems around the world, but they say it highlights how little we really know about how we feed the world’s population. The map, ...

What we choose to eat can affect climate change, and that means all the factors involved in feeding our growing population—from agriculture to fair trade to food waste to the labor force—can have an ...

Every subway system feels like its own self-contained world, but what if those worlds were linked? The World Metro Map takes the subway systems of 214 cities across five continents, and unifies them ...

Over a decade of work and contributions by more than 200 leading conservation scientists have produced a first-ever comprehensive map and database of the diversity of life in the world's freshwater ...

Add Yahoo as a preferred source to see more of our stories on Google. Hundreds of water systems in the United States, including those in Florida, have reported chemicals that are higher than new ...