What do you do when all other efforts to persuade locals to protect endangered rhinos have failed? Pay them to harvest the rhinos' dung and use it to make paper. That's what an Indian startup company is trying, with early success.
Brazilians are notoriously lavish bathers, taking as many as three showers a day. But as the country faces a major drought, they're trying to find way to keep up the shower numbers while still saving water.
The unprecedented water crisis in South America's largest city is leading citizens to change everything, from how they use water to how they engage with politics. But while the government is taking action, residents say it's not nearly enough.
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.
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.