How India broke the record for planting trees: 50 million in one day

800,000 volunteers worked for 24 hours.

A WHO report says 92% of humans breathe dangerously polluted air

Canned air doesn’t seem like such a publicity stunt now, does it?

The U.S. is likely failing its share of the Paris agreement

A new study found that the US isn’t carrying its own weight.

Temperature records extended to two million years — what it can tell us about where the climate is heading

The more data we have, the better we’ll be able to forecast potentially catastrophic global warming.

Nat Geo showcases the beauty of nature, one picture at a time

Nat Geo’s Natural Photographer of the Year contest is in full swing — and it’s amazing.

How much land California needs to cover with solar panels to become 100% fossil fuel-free

Sounds like a lot, but by comparison with other infrastructure, it’s far from being intimidating. ‘Let’s get to work!’

These lionesses have grown a mane and are acting like males

Five lionesses in Botswana have grown male-like manes and one is even roaring and humping other females.

Canada is building the world’s longest trail, and it’s humongous

Are you a hiking addict? Then you’ll probably want to book a ticket for Canada in 2017.

Hydrogen-powered train to start making trips in Germany by the end of 2017

Ja, das ist Sehr gut!

Cooperative prey hunting and sharing observed in Norwegian seal-eating killer whales

In Norway, a research project regularly uses drones to investigate dietary habits and predation behaviours of killer whale groups.