I was a teenaged environmentalist. And because, at the age of 17, I took part in the very first Earth Day on April 22, 1970, I grew up with a lifelong respect for this tiny, lovely blue-green marble ...

We tend to imagine scientific breakthroughs as dramatic events that enrapture the world in a singular moment in time. Think of the recent nuclear fusion breakthrough or the first image of a black hole ...

Dr. Singer is a professor of bioethics at Princeton and the author of the forthcoming book “Animal Liberation Now.” MELBOURNE, Australia — The year of the first Earth Day, 1970, was the year I stopped ...

The Montreal Protocol didn’t just preserve the ozone layer, it helped save Earth from a climate change time bomb. The landmark ozone treaty was agreed 35 years ago this month, at a time when both ...

A casualty of Warner Bros.' new cost-slashing strategy, this feature-length Looney Tunes offering is seeking distribution around the world. Fortunately, that didn’t stop the Annecy Animation Festival ...