Wildlife

In much of the world, barbecuing is practically synonymous with summer. But those smoky foods and glowing embers come with significant ecological and human costs. From creation to cookout, here’s a look at the impact of charcoal -- and at some greener alternatives.

Culture isn't limited to humans; in animal life on earth, social learning goes on all around us, says ecologist and writer Carl Safina. He shows us how whales, chimpanzees and other creatures share and spread the wisdom of centuries.

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.