These incredible pups catch poachers, sniff out invasive plants and diseases, and more, thanks to the work of wildlife biologist and conservation-dog expert Megan Parker.

Why learn about methane? Because it could be our chance to make a real dent in global warming, says environmentalist Fred Krupp.

You can — at a visionary social enterprise called Plastic Bank, which is not only improving people’s lives but keeping junk from going into the ocean.

Some argue that we have a moral responsibility for future generations, but others ask: how do we know what they would want? Writer Charles Mann explores the confusing ethics of acting on global warming.

The old take-make-use-lose model of industrial design has depleted resources and dumped waste into the environment. By taking nature as our model and mentor, we can transform manufacturing — and the earth, says economist Kate Raworth.

Inspired by one of nature’s most efficient swimmers, bio-roboticist Auke Ijspeert and his team are building a sinuous robot that can venture into toxic waters.

Not every conversation with a climate denier has to lead to raised voices and hurt feelings. Here’s how to do it constructively.