From the drought dilemma in California to extraordinary snowfall across the Northeast, the unpredictable nature of water supplies is prompting a high-profile conversation across the United States.

You already know that Africa isn’t a country. But what else? Check out these maps and put the continent’s population, income, growth, and potential into context.

UN special rapporteur on the right to food champions agroecology as sustainable alternative to existing framework

The existing food system has failed and needs urgent reform, according to a UN expert who argues there should be a greater emphasis on local food production and an overhaul of trade policies that have led to overproduction in rich countries while obliging poor countries – which are often dependent on agriculture – to import food.

UN's top environmental official says switch from coal to natural gas is delaying critical energy transition to renewables