As ecologists debate what to do about “invasive” swans in New York City, volunteers fight to keep them alive.

The Bali myna once faced extinction from the illegal wildlife trade. An unusual approach may have helped save them.

The Bali myna once faced extinction from the illegal wildlife trade. An unusual approach may have helped save them.

Earth Day coordinator Denis Hayes grew up in Camas, Washington, surrounded by natural beauty and unchecked pollution.

Really, they do — they just don’t think you want to talk about it. So stop being afraid of pushback, break the “climate silence,” and start a conversation. Really, they do — they just don’t think you ...