A Hawaiian cleaner wrasse provides its cleaning services to a yellowfin goatfish in a reef community off the Big Island in Hawaii. Cleaner species help rid their hosts of ectoparasites, dead tissue, bacteria and fungi. Studies have shown cleaning to play a vital role in keeping many reef ecosystems healthy. (Photo by Marty Snyderman/Caters News Agency)

Show promoters for Motolite batteries sit on a jeepney as they pose for photographers during the Manila International Auto show in Pasay, Metro Manila, Philippines on April 4, 2013. (Photo by Erik De Castro/Reuters)

Alligators and an egret stand on the banks of the Bento Gomes river next to the Transpantaneira road at the Pantanal wetlands near Pocone, Mato Grosso state, Brazil, Monday, September 14, 2020. A vast swath of the vital wetlands is burning in Brazil, sweeping across several national parks and obscuring the sun behind dense smoke. (Photo by Andre Penner/AP Photo)

Car headlights illuminate a woman walking through city streets as snow accumulates on December 16, 2020 in Wilkes Barre, Pennsylvania. Winter Storm Gail is expected to bring more than a foot of snow in parts of the Northeast. (Photo by Mark Makela/Getty Images)

Surfers and others spend a day at Rockaway Beach as impact from Hurricane Lee delvers large surf and rip tides to much of the Northeast on September 14, 2023 in New York City. Hurricane Lee is predicted to make landfall from Nova Scotia to New Brunswick and also parts Maine this weekend. (Photo by Spencer Platt/Getty Images)

Extraordinary tales of everyday heroism have been illustrated beautifully by renowned US photographer Steve McCurry in the new 2015 Lavazza Calendar. The calendar which has been created in collaboration with the Slow Food movement, features twelve breathtaking pictures, capturing the spirit, strength and humanity of the Earth Defenders – women and men who protect their land and projects in Africa with passion and bravery. The proceeds from sales of the calendar and all donations will be contributed entirely to create 10,000 food gardens in African schools and villages by the end of 2016. (Photo by Steve McCurry/2015 Lavazza Calendar)

Global wildlife populations will decline by 67% by 2020 unless urgent action is taken to reduce human impact on species and ecosystems, warns the biennial Living Planet Index report from WWF (World Wide Fund for Nature) and ZSL (Zoological Society of London). From elephants to eels, here are some of the wildlife populations most affected by human activity. Here: The maned wolf is among the large mammals in the Brazilian Cerrado that are threatened by the increasing conversion of grasslands into farmland for grazing and growing crops. (Photo by Ben Cranke/Nature Picture Library/Alamy Stock Photo)

Wakodahatchee wetlands, Delray Beach, Florida, US. Equipped with sinewy necks and spear-like bills, great blue herons can lunge with fearsome speed to strike their aquatic prey. Adults will also employ rapid stabbing motions as one aspect of their complex courtship displays; they’re seemingly dangerous moves, but fitting to the intensity of mating season. (Photo by Melissa Rowell/Audubon Photography Awards)