Lead Stories

The future of cities
Cities will determine the Earth's future. Therefore, humans need to create the right kind of cities. Here's what that means.
Birds and the city
Sparse remnant habitats can boost urban biodiversity if native trees are left alone, and waterfronts are not tampered with.
Walking the green talk
The future belongs to cities where you can get to anywhere in under 15 minutes.
Power to the people
A spectrum of energy-generating options — from nuclear to vertical wind turbines on skyscrapers — will light up the cities of 2050.
Fantastic plastic!
Researchers across the world are battling toxic plastic by developing new materials, including biodegradables, from it.