JIM CLARE / Paramo fire, set to promote new shoots for cattle grazing. Canar, Andes, Ecuador.

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College, Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Women on a solar workshop, learning how to make solar lanterns at the Barefoot College in Tilonia, Rajasthan, India. December 2013

Ashley Cooper / Solar lantern powered by a solar panel, part of a display to promote renewable energy in Karnataka, India. December 2013

Ashley Cooper / Women constructing solar cookers at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, elec...

Ashley Cooper / Solar cookers at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, electrification through...

Ashley Cooper / An advert for a solar water heater in a park in Bangalore, India. December 2013

Claudio Contreras / Submarine statues at the MUSA Cancun Underwater Museum, a conservation project to promote the growth of coral. Isla Mujeres, Cancun National Park, Caribbean Sea, Mexico.

Claudio Contreras / Cottonwick (Haemulon melanurum) fish among submarine statues at the MUSA Cancun Underwater Museum, a conservation project to promote the growth of coral. Isla Mujeres, Cancun National Park, Caribbean...

Tim Laman / Aerial view of Sepetang fishing village, on the edge of the Matang mangrove forest. Healthy mangroves promote a healthy fishery. Taiping vicinity, Perak, Malaysia. May 2006