This tiny floating dwelling is big on sustainability

86 year-old reintroduced indigenous giant toirtoises to the island he bought in 1962

Underground growers secretly splice fruit-bearing branches onto city trees

Fruit foraging zone to be planted in the heart of the city

With its market evaporating, a responsible paper company finds new uses for pulped wood

Why cutting carbon emissions is good for the economy

The most explosive volcano photos of 2011, courtesy of The Atlantic

JKC1 House by Ong&Ong Architects balances nature and space

Seattle artist shoots from trees' points of view

Stunning photos combine greenery and architectural forms