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 ...

Focusing on brightly plumaged and “familiar” birds can leave important conservation questions unanswered — and even put less attractive species at risk. Focusing on brightly plumaged and “familiar” ...

Bouley’s new project at Macossa-Tambara in Mozambique is part of an effort to double the African lion population by 2050.