Barcelona still searching for top speed

Forests, soils and oceans are the unsung heroes of our climate, storing the greenhouse gases that cause global heating. But they could perform even better with a little help.

One way of reducing global warming is to remove carbon dioxide from the atmosphere. An entrepreneur in Iceland is trying to do just that with innovative technology that he hopes will help his country, and the world, become carbon-neutral.

American-born entertainer-turned-resistance fighter and civil rights activist Josephine Baker is the latest to get the ultimate recognition from the French state: entombment in the Pantheon. That begs the questions: what does it take to be a national hero in France?

Mercy Tchawalla gives sports classes and advises overweight women in Lome. She helps women build self-esteem.

Fashion giants H&M and Zara are producing eco-collections that claim to reduce the negative aspects of fast fashion. Their brands, they say, are becoming more sustainable. But is it true? Or is it just greenwashing?

A video on Facebook claims that FARC rebels in Colombia are now using drones that shoot bullets. But is it actually true?