From a rare Florida tree, genes to regrow forest of ancient giants 31/12/2015

An experiment in regrowing forests of the world's oldest trees led environmentalists this week to climb a nine-story tall, 2,000-year-old cypress in central Florida known as Lady Liberty. ...more

India asks authorities to take action to save choking capital 31/12/2015

India asked authorities in and around its capital on Wednesday to crack down immediately on overloaded trucks, illegally parked cars and vehicles emitting visible smoke in the world's most polluted city. ...more

Colombia declares red alert for low water levels 31/12/2015

Colombia has declared a red alert because of low water levels in two key rivers which supply hundreds of towns and cities in the South American country, President Juan Manuel Santos said on Wednesday. ...more

Italy approves new anti-pollution measures 31/12/2015

Italy's centre-left government on Wednesday authorized local authorities to cut traffic speed limits by 20kph (12 mph) and office heating by two degrees in response to spikes in deadly air pollution. ...more

Floating anti-plastic waste dam to be tested in North Sea 31/12/2015

A revolutionary floating dam that traps plastic bags, bottles and other waste choking the world's oceans will be tested at sea for the first time in 2016, the Ocean Cleanup foundation said. ...more

Freak heatwave pushes temperatures at North Pole above freezing 31/12/2015

Temperatures at the North Pole rose above freezing point Wednesday, 20 degrees Celsius above the mid-winter norm and the latest abnormality in a season of extreme weather events. ...more

Egypt, Ethiopia, and Sudan sign new Grand Renaissance Dam agreement 30/12/2015

Egypt, Ethiopia, and Sudan signed an agreement on Tuesday finalizing the two firms tasked with carrying out studies on the potential impact of Ethiopia's Grand Renaissance Dam on the flow of the Nile, their foreign and water ministers said. ...more

Giant squid that swam into Japanese bay guided back out to sea by diver 30/12/2015

A giant squid, rarely seen outside of deep waters, has been filmed swimming near a pier in central Japan. ...more

Smog-choked Delhi gears up for car ban 30/12/2015

Millions of Delhi residents will have to find alternative ways to work from Friday, when authorities launch a trial of draconian traffic restrictions to try to clean up the world's most polluted capital. ...more

London Heathrow Marriott slashes water waste with smart pot-washing system 30/12/2015

Heathrow's London Marriott has drastically cut its water use, after installing a smart dish-washing system which uses high pressure water and small granules to blast pots and pans clean. ...more