Green building also known as green construction or sustainable building is the practice of creating structures and using processes that are environmentally responsible and resource-efficient.

An animation artist has thrown a group of Disney characters into the real world – and it's not pretty. Jeff Hong, from New York, has taken the childhood favourites and turned their lives upside down. In a series of nightmarish pictures on his Tumblr, the cartoons who once lived happily ever after are now facing up to reality. And judging from these images they're not adjusting well. Photo: Beauty is everything for this belle of the ball. (Photo by Jeff Hong)

A mother bear takes a dip in the water to cool off in the warm summer sun but refuses to leave her three youngsters behind – so they climb aboard her back. (Photo by Jon Langeland/Solent News & Photo Agency)

Gloria Lincoln-Thompson carries her 9mm Smith & Wesson pistol in her waistband during a rally in support of the Michigan Open Carry gun law in Romulus, Michigan, in this April 27, 2014 file photo. (Photo by Rebecca Cook/Reuters)

A climber walks on the ridge beneath the eastern peak of the Gamsberg (2385 meters above sea level) near Grabs, Switzerland, Friday, October 3, 2014. (Photo by Gian Ehrenzeller/AP Photo/Keystone)

Scientists have captured these images in laboratories during research into what makes our daily food. Photo: Blueberry. (Photo by SPL/Barcroft Media)

Female Competitors pose onstage during the annual Mr. Korea competition on July 7, 2004 in Seoul South Korea. Mr. Korea, organized by the National Body Builder's Association, is one of the biggest bodybuilding competitions in Asia. (Photo by Chung Sung-Jun/Getty Images)

French First Lady Carla Bruni-Sarkozy, who is pregnant, welcomes the spouses of heads of state at at Le Ciro's Resaturant on the second day of the G8 Summit on May 27, 2011 in Deauville, France. (Photo by Sean Gallup/Getty Images)