Recycling centre in Kalamaja quarter of Tallinn, Estonian, Europe

Solar thermal and solar PV panels on the roof of the Crystal building which is the first building in the world to be awarded an outstanding BREEAM (BRE Environmental Assessment Method) rating and a LEED (Leadership in Energy and Environmental Design) platinum rating. London, UK.

Solar thermal and solar PV panels on the roof of the Crystal building which is the first building in the world to be awarded an outstanding BREEAM (BRE Environmental Assessment Method) rating and a LEED (Leadership in Energy and Environmental Design) platinum rating. London, UK.

Solar thermal and solar PV panels on the roof of the Crystal building which is the first building in the world to be awarded an outstanding BREEAM (BRE Environmental Assessment Method) rating and a LEED (Leadership in Energy and Environmental Design) platinum rating. London, UK.

The Crystal building which is the first building in the world to be awarded an outstanding BREEAM (BRE Environmental Assessment Method) rating and a LEED (Leadership in Energy and Environmental Design) platinum rating. London, UK.

Asian young girl student scientist researching and learning in a laboratory.

Asian man scientist researching and learning in a laboratory.

Asian young man student scientist researching and learning in a laboratory.

Asian young girl student scientist is writing and researching in laboratory.

Asian young girl student scientist researching and learning in a laboratory.

Asian young girl student scientist is writing and researching in laboratory.

New house with solar panels, Franconia, Bavaria, Germany, Europe

Aerial picture, roof with solar panels, rotunda, Alt-Oer retirement home, Oer-Erkenschwick, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Aerial picture, roof with solar panels, rotunda, Alt-Oer retirement home, Oer-Erkenschwick, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Solar Village with solar roofs, Freiburg, Baden-Wuerttemberg, Germany, Europe

Farm with a solar installation on the roof, Black Forest, Baden-Wuerttemberg, Germany, Europe

Solar Village with solar roofs, Freiburg, Baden-Wuerttemberg, Germany, Europe

Solar panels on the roof of a house with patches of snow, renewable energy

Solar district heating plant, Nordby, Samsoe, Denmark, Europe

Kettle Hills Wind Farm, Pincher Creek, Alberta.

Misty morning at the little cheyne court wind farm at romney marsh, Kent east sussex england

Misty morning at the little cheyne court wind farm at romney marsh, Kent east sussex england