Green riders, cycle rickshaw wallahs encouraging environmentally friendly travel around Puri, near pink bougainvillea, Orissa, India, Asia

Green riders, cycle rickshaw wallahs encouraging environmentally friendly travel around Puri, near pink bougainvillea, Orissa, India, Asia

Local Irish man cycling traditional bicycle along country lane in County Clare, West of Ireland

Man bowing to Mecca to pray while holding the reins of his camels in Dubai, United Arab Emirates. The old traditional camels contrast with the new modern building construction and cranes.

Bicycles propped on old building in Narlai village in Rajasthan, Northern India

Two men cycling the deserted road to Sebba, Burkina Faso (formerly Upper Volta)

Cargo ship "Wilson Astakos" sailing in front of an offshore wind farm in the oresund outside Copenhagen, Denmark, Europe

Piz Nair cable car station, photovoltaic system, solar cells, high mountains, Switzerland, Europe

Environmentally-friendly hybrid bus, Munich, Bavaria, Germany, Europe

Cargo ship sailing in front of an offshore wind farm in the oresund outside Copenhagen, Denmark, Europe

Piz Nair cable car station, photovoltaic system, solar cells, high mountains, Switzerland, Europe

Villo rental bikes at the Midi train station, Brussels, Belgium, Europe

Villo rental bikes at the Midi train station, Brussels, Belgium, Europe