Waste Land, Rio de Janeiro, Brazil

Deservedly nominated at this year’s Oscars as Best Documentary Feature, Lucy Walker’s life-affirming film Waste Land, travels to the squalor of Rio de Janeiro, which boasts the largest landfill site in the world.

Last Chance Beach, Battling Erosion in Barbados

Around Barbados, the most serious threat to the beaches is the loss of coral reefs through nearshore pollution, primarily caused by domestic sewage, and physical clearing. As the reefs die, they lose their ability to reduce the energy and erosive force of incoming waves.