America's remaining wild horses are under aggressive attack and rapidly disappearing from government-managed, citizen-owned wilderness spaces.

America's remaining wild horses are under aggressive attack and rapidly disappearing from government-managed, citizen-owned wilderness spaces.

A lot of people think medicine hunting is all Chris trekking through the jungle. Or, for that matter, the chiefs and (male) elders he works with. The men get the headlines, but it's the women behind the scenes who are doing the planting and harvesting and chopping.

I've learned that ayahuasca works in levels, a little like peeling an onion. It is complex and something you really have to experience to understand.

Arcitc Harp seal pup populations are declining as they are commercially hunted for oil and fur and global warming causes the ice where pups are born to break up and melt. Now these sweet and adorable pups face yet another human threat: oil spills.

Wildlife needs wilderness-not just to survive, but also to live freely. Sadly, many species struggle to survive due to increased human activity and expansion into habitats they call home.

The health of life on Earth depends on its oceans. But unless we save our seas from the growing mounds of pop bottles, cigarette butts and plastic trash, soon there won't be much healthy sea left.