British Airways Jumbo Jet flying away from Heathrow, London, United Kingdom

A woman subsistence farmer cooking on a traditional clay oven, using rice stalks as biofuel in the Sunderbans, Ganges, Delta, India. the area is very low lying and vulnerable to sea level rise. All parts of the rice crop are used, and the villagers life is very self sufficient, with a tiny carbon footprint.

A Carbon Trust standard display at Manchester airport, outlining how they are reducing their carbon footprint, England, United Kingdom, Europe

A Carbon Trust standard display at Manchester airport, outlining how they are reducing their carbon footprint, England, United Kingdom, Europe

Turf roof on eco houses at the Centre for Alternative Technology in Machylleth, Wales, United Kingdom, Europe

Posters in Hong Kong, China about reducing your carbon footprint, China, Asia

A poster outlining how Hayes Garden Centre is reducing its carbon footprint, in Ambleside, Cumbria, England, United Kingdom, Europe

Fiddlers Ferry coal fired power station near Warrington, England, United Kingdom, Europe

Fiddlers Ferry coal fired power station near Warrington, England, United Kingdom, Europe

Posters in Hong Kong, China about reducing your carbon footprint, China, Asia

Fiddlers Ferry coal fired power station near Warrington, England, United Kingdom, Europe

Fiddlers Ferry coal fired power station near Warrington, England, United Kingdom, Europe

A woman subsistence farmer cooking on a traditional clay oven, using rice stalks as biofuel in the Sundarbans, Ganges, Delta, India. the area is very low lying and vulnerable to sea level rise. All parts of the rice crop are used, and the villagers life is very self sufficient, with a tiny carbon footprint.

Aerial view of a coal-fired power plant.

Aerial view of coal-fired power plant in Asheville, NC

Water level view of a coal-fired power plant.

Aerial view of a coal-fired power plant.

Water level view of a coal-fired power plant.