ENVIRONMENT

Rio turns rubbish into 'art' to dramatise Olympic bay clean-up task.

In this gallery, IBTimesUK looks at sinkholes and craters that have opened up around the world.

Smith remains highly sceptical over shale oil extraction.

Brian May says scientific expert opinion is missing from debates in parliament.

Experts warn that Africa faces a poaching crisis that is likely to see a further decline in the number of wild elephants.

Panel has noted that Scotland has for the third time exceeded its climate target.

Scientists discover impact zone of huge meteorite that struck Earth more than 300 million years ago

Deadly Asian fungus released in UK to try and combat Himalayan Balsam – one of 2,000 alien species

Environmental groups WWF and Greenpeace criticising Australian PM's plan to save the Great Barrier Reef.

Super-tides are expected across the south coast of England and northern France after solar eclipse

The shrinking ice cover has been largely affected by man-induced global warming.

People who have plentiful access to water are encouraged to try not turning on their taps all day.

More than 150 families live at the Anlong Pi dump, scavenging for useful items in the rubbish.

Winners include the northern lights shimmering over a reindeer herder's tent, complete with satellite dish.

Local scientists were encouraged to find out the stingray was pregnant.

Closely associated with humans for thousands of years, the sparrows have suddenly vanished in the last few decades.

Report warns that world's most iconic ecosystems will be devastated by climate change.

Mushrooms glow in the dark to attract insects that spread fungal spores.

The Villarrica Volcano in southern Chile has entered a more active phase again.

Palestinian refugee Saad al-Jamal has realised his lifetime ambition by acquiring two lion cubs.

Health warnings issued as toxic cloud appears over the UK.

The thawing permafrost will release more carbon than what is absorbed by new vegetation in high latitudes.

Golden Triangle Special Economic Zone on border between Laos, Myanmar and Thailand thriving in wildlife meat.

The excess carbon stimulates growth that causes trees to grow faster and die younger.

Cyclone Pam tore across Vanuatu, wreaking devastation but not the death toll initially feared.

Miliband wants UK to be zero-carbon by 2030 but it will cost at least half a trillion dollars.

Done for the first time, the study looked at sector wise emissions in seven of India's major cities in 2009.

California sea lions - mainly pups - are turning up stranded and starved on Southern California beaches in record numbers this year.

Ancient whale fossil was found 640m above sea level after getting stranded.