Hmong hill tribe woman sewing in her home in Baan Tong Luang eco village near Chiangmai,Thailand

Eco friendly swimming pool and solar panels in background, residential home, near Ahmedabad, Gujarat, India.

An architect designed eco house with a wind turbine which will provide all the electricity needs of the house near Lesmahagow, Lanarkshire, Scotland, United Kingdom, Europe

Newly built eco homes for sale in Giggleswick near Settle, Yorkshire, England, United Kingdom, Europe

An architect designed eco house with a wind turbine which will provide all the electricity needs of the house near Lesmahagow, Lanarkshire, Scotland, United Kingdom, Europe

Newly built eco homes for sale in Giggleswick near Settle, Yorkshire, England, United Kingdom, Europe

Nagano Prefecture, Japan

Holiday homes, Husavik, 'house bay', Iceland, Europe

Residential home of a vintner around 1540, Eco-Museum, Ungersheim, Alsace, France, Europe

England, West Sussex, Chichester, Graylingwell Park, Modern housing with solar panels blended seamlessly in to roof tiles.

England, West Sussex, Chichester, Graylingwell Park, Modern housing with solar panels blended seamlessly in to roof tiles.

A man and woman on the terrace of an eco home, a low impact house in the desert landscape, in a sunken hot tub, United States of America

A man sitting on the roof overhang of an eco home in the desert landscape, United States of America