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.

Artist Vik Muniz is known for his gigantic composite installations and sculptures created from thousands of individual objects. In this new collaboration with artist and MIT researcher Marcelo Coelho, Muniz takes the opposite approach and explores the microscopic with a new series of sandcastles etched onto individual grains of sand.

David and Lana Fechter have recently adopted two adorable Siberian bear cubs that were rejected by their mother at a Chicago zoo. The two nine-week-old male cubs, Lewis and Clark, are being kept in an inside closure and are being bottle fed. When the twins get bigger and more independent, they’ll be be given a large natural enclosure with ponds and ridges to live in at Shalom Wildlife Sanctuary.

Inspired by personal experiences, a mix of cultures, rituals, and travelling the world, artist Jim Skull creates elaborate woven skull sculptures. He likes to be referred to as Jim Skull as a reflection of his interest in skulls; a symbol that he has been working with since the 1980s. He is currently living in France where he creates beautifully crafted sculptures out of rope, Papier-mâché, and other natural materials. He was born in New Caledonia and there’s no doubt that the influences of the tribal arts from Oceania, Africa, and North America are evident within his technique.

A clever PR stunt envisioned by art director Mike Lubrano who got the idea to convert the famous DeLorean DMC-12 from “Back to the Future” into a classic New York yellow cab. The goal would be to communicate the futuristic philosophy of fashion brand Nooka and to carry the message “Experience the Future”

The giant yellow 20-ton bronze teddy bear has been set up by Christie's outside the Seagram Building along Park Avenue. Created by New York-based Swiss artist, Urs Fischer, the enormous sculpture that has received mixed reviews, is getting auctioned off at Christie's next month. The black button-eyed, 23-foot-tall yellow teddy bear is "Untitled (Lamp/Bear)."

This Strange Russian Cartoon Shows Mario's Nasty Side and bogatyr or vityaz is a stock character in medieval East Slavic legends (byliny), akin to a Western European knight-errant.

Suso33 spent the last few days perched on a yellow crane to work on this impressive new piece on the streets of Madrid, Spain. Using a rather simple technique, the Spanish artist painted a brilliant piece which enters directly amongst our favourite artworks this year. This mural is a concentration of slightly outlined figures which are persecuted by their shadows, but if the viewer, instead of focusing on details, looks at the entire picture, what he sees is another figure. Take a look at more images after the jump and if you are in the area, you'll be able to find the piece at plaza del Poeta Leopoldo de Luis.