Residents of Colombia’s capital Bogota see their ideas directly added to plans to redesign a 23-km, car-choked major thoroughfare.

Recycling plastic usually means turning the waste into new plastic. But what if it could be turned back into the oil from which it was made?

When a high school class noticed an urban design flaw in need of a fix — and no one would fix it — they decided to do something about it.

The black redstart is one of Britain’s rarest birds. Thanks to rewinding, they are returning to London, including the heart of the city.

The Tyre Collective wants to capture microplastic pollutants as they fly off the wheel as we drive.

From a metro station in Paris to a large shopping mall in the US, human body heat is being tapped to provide warmth in the depths of winter.

Amboseli National Park in Kenya is experiencing something of an elephant baby boom.

People in the US state of Vermont can no longer simply toss their food waste in the landfill garbage bin.

In Beijing, China, there’s a tower that sucks up smog, turns it into clean air, and turns the smog particles into diamonds.

With face masks in high demand during Covid-19, one company has taken a greener approach to supplying the public with masks.

With travel restrictions across the globe, pollution levels have dropped dramatically. And they just might stay.

Luxembourg has become the first country in the world to introduce a free public transport system for all.

Two young Peruvian entrepreneurs are turning discarded banana leaves into disposable food trays.

Thailand — one of the biggest contributors to ocean pollution — is the latest country to ban plastic bags.

Australia's devastating bushfires have made headlines around the world. Somewhat less considered has been the impact on wildlife.

In early December, Kansas City in Missouri voted unanimously to introduce free public transport citywide.

Native animals are fighting back against the infamous deadly cane toad, which has devastated large parts of northern Australia.

Rome is encouraging commuters to swap used plastic bottles for free public transport.

A “climate decree” proposed by the Italian government will offer discounts to shoppers who purchase goods free of plastic packaging.

Ethiopia planted more than four billion trees over this year’s northern summer.