Pedro Narra / Man and woman undertaking monitoring work measuring Green turtle (Chelonia mydas) nests as the the female digs it, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes M...

Juan Carlos Munoz / People exploring underground lakes via rigid inflatable boat, Cross Cave (Krizna jama) under Cross Mountain, Green Karst, Slovenia, October 2014.

Ashley Cooper / Electricity wires running through woodland near Ambleside in the Lake District, England, UK. May.

Ashley Cooper / Transformer substation that connects all the electric cable from each turbine, before sending the electricity ashore. The Walney Offshore Windfarm project, Barrow in Furness, Cumbria, England, UK. Ju...

Ashley Cooper / Big green Footsteps sign on Eigg Harbour, Scotland, UK. May 2012

Ashley Cooper / Crofter and Eigg Electric employee amongst the array of backup batteries that store sufficient to power the island for 24 hours. Isle of Eigg is powered by renewable energy and backup batteries store...

Ashley Cooper / Solar panels on the Isle of Eigg which relies exclusively on renewable energy. Scotland, UK. May 2012

Ashley Cooper / A crofter and Eigg Electric employee checking the inverters from the various renewable sources Isle of Eigg, Scotland, UK. May 2012

Ashley Cooper / Inverters for renewable generators on the island. Isle of Eigg, Scotland, UK, May 2012

Ashley Cooper / An Eigg crofter and Eigg Electric employee next to their aray of solar PV panels. Isle of Eigg, Scotland, UK. May 2012

Ashley Cooper / Photoelectric cells on a council building in Barnstaple, Devon UK. June 2006

Ashley Cooper / Solar electric (photo voltaic) and solar thermal (hot water) panels on a house roof in Grasmere, Lake District, UK. August 2011