ENVIRONMENT

Best photos of the day: 20 January 2014.

Reservoir water levels in California at lowest for years after record low rainfall.

Researchers at Georgia State University find how chimpanzees communicate.

Christ the Redeemer statue overlooking Rio de Janerio in Brazil struck by lightning.

Nearly 2,000 residents were evacuated over a wildfire in the foothills of Southern California's San Gabriel Mountains.

Winner of Dallas Safari Club auction to hunt endangered species in Namibia says hunt is to protect species.

Best photos of the day: 17 January 2014.

More toxic pollutant to enter food chain as a result of cracking sea ice off Alaskan coast.

3km-deep valley discovered beneath West Antarctica ice sheet by UK scientists.

Leading scientists say United Nations must act now on threats to future of mankind.

26,000 flee their homes as multiple volcanic eruptions throw lava and ash 5km into air.

Temperatures soar to 42C at 2014 Australian Open.

Two years after Costa Concordia ran aground, the rusted wreck still lies of the coast of Giglio.

Newsweek science editor says he hopes people do not think he is a climate change denier.

Permit to hunt endangered animal auctioned to raise money for wildlife conservation in Africa.

More flooding is expected across the UK as heavy downpours are forecast for Sunday.

Environment Agency issues further flood warnings for Thames area after several weeks of heavy rain.

Tropical cyclone Ian has hit the Tonga Islands in South Pacific Ocean disrupting communication and bringing strong winds to the island group.

Scientists to go ahead with experiment to recreate Fukushima reactor meltdowns.

Tropical Cyclone Ian upgraded to a Category 4 system with 230km/h gusts.

Large ice balls wash up on Glen Arbor shoreline of US Great Lake.

Reddit Q&A covers animal traits, environmental destruction, species wipeout - and chocolate biscuits.

Until the Cows Come...to the Beach? Cow carcasses stun beachgoers in Scandinavian countries

Droughts will be frequent and intense in Europe by end of century.

Microalgae and aquatic plants helping clean-up operation after nuclear disaster.

Changqiao Water Plant in Xuhui district releases coloured waste water into Chunshen harbour.

A fleet of wireless charging electric buses launches in Milton Keynes as part of five year trial.

Photographs of icy weather in the US and Canada as Niagara Falls freezes over.