ENVIRONMENT

Researchers use thermal cameras to analyse koalas' behaviour during hot weather

Best photos of the day: 4 June 2014

Solar Impulse 2, a Swiss solar-powered aircraft, has successfully carried out its first flight.

Best photos of the day: 3 June 2014.

Brazilian armadillo is listed as an endangered species.

Church of England want burial grounds near HS2 protected.

Ancient volcanic eruptions in Australia covered two million sq/km in lava.

Fur seal that attacked man on seaside walkway may have felt territory being threatened.

Mount Sangeang in Indonesia erupts, spewing thick clouds of ash into atmosphere.

Researchers are now calling for an urgent hunting programme to wipe out the toads.

Duke University scientists say between 100 and 1,000 species per million go extinct every year.

Best photos of the day: 30 May 2014.

Best photos of the day: 29 May 2014.

Japan's government to fund Tepco's £1.8bn pipe network plan at wrecked nuclear plant.

Australian farmers hope to start exporting livestock to Iran as soon as possible

Extended summer in Sydney is keeping public pools open for longer.

University of Wisconsin-Madison researchers claim buried organic carbon-rich soils can contribute to climate change.

Farm will produce thousands of tons of cricket, which will be ground down and made into tortilla style snacks.

Professor John All survived a 70ft fall before climbing out of a crevasse in Mount Himlung in the Himalayas.

Tremors from earthquake are felt as far away as Turkey and Bulgaria but cause no serious damage.

Scientists use data gathered from fish-borne ocean sensors to predict hurricanes and tropical storms.

March Against Monsanto will stage protests against the corporation on 24 May.

Best photos of the day: 23 May 2014.

London Zoo has welcomed its first ever baby sloth, after a surprise pregnancy.

Island between Sicily and Tunisia was covered in searing hot layer of green glass 45,000 years ago.

Graeme Pullen took almost 30 minutes to reel in the 450lb porbeagle shark

Tepco releasing groundwater within legal radiation safety limits into ocean.

Jason Hawkes took advantage of the recent glorious weather to capture London from the air.

Wildfires, rising sea levels and floods put United States landmarks in danger.