São Paulo is facing an unprecedented water crisis that many saw coming, but no one did much to prevent. And with reservoirs hovering near 10% of capacity, many residents are turning to unhealthy stopgaps and worrying about unrest.
There may be a counterintuitive explanation for the deep freeze that hit New England this winter: The rapidly warming Arctic is causing big disruptions in the jet stream, which carries weather across North America. Is this the worst winter you've experienced?
China's $50 billion plan for a new Central American canal connecting Atlantic and Pacific may damage the freshwater Lake Nicaragua, changing the environment for those who depend upon it. The plan faces opposition in parts of the country.
Massive flooding in Malawi have forced nearly a quarter-million people from their homes, and many say they will never go home. Where will they go?
Global temperatures are going up but that doesn't necessarily mean less snow. Here's a brief explainer of what seems like a contradiction.
The flooding has displaced nearly 200,000 people in Malawi, destroyed crops and brought fears of disease. In a region already prone to flooding, the future may hold even worse.
After scoring some big victories in the US in 2014, the movement to get institutions to cut their ties to fossil fuel companies is broadening its focus in the UK to include big name museums and even toy companies.
A new super-efficient vertical farming system is helping increase food security and reduce the climate impact of food production for the 5 million residents of crowded Singapore.
With coal use falling fast in the US but still growing in Asia, western coal producers are pitching a plan to build five big new coal export terminals in Washington and Oregon, but opponents warn of big new environmental risks.