One of the world's biggest festivals hits the streets of London
The art of recycling. Find out how plastic bags are being turned into pictures
New cafe in Tokyo offers customers the opportunity to hold a snake. Watch the video
Reducing plastic rubbish on Britain's beaches. Clean-up group gets busy in Cornwall
Pets take to the waves at a Californian event. Watch the video and learn new words
Could your garden be a source of green energy? Scientists use electricity from plants
Do you want to be in the movies? Thousands queue in London for the chance to be in a new JK Rowling film
Would you use a phone made out of grass? Take a look at some 'green' technology
What's causing a stink in Asia? Could it be the 'king of fruits'?!
Is being tall a good thing? Scientists study how giraffes move
Ivory objects destroyed in New York to curb trade behind killing of elephants
