Pictures: Earth in Crisis

Hundreds of Monarch butterflies swarm a tree at a Mexico butterfly sanctuary. The Monarchs are the only migratory insects in their species. They travel 2500 miles twice a year between their summer home in Canada and their winter home in Mexico.  (Photo by Felipe Courzo/Reuters)

Part of a 30 million ton iceberg crashes into the lake minutes after a 6.3 magnitude earthquake hit Christchurch, New Zealand, on Feb. 22. The department of conservation believes that the chunk of ice broke off from the Tasman Glacier which flows from the Southern Alps in New Zealand.  (Photo by Denis Callesen/AFP/Getty Images)

A 1750-1770 dated cardigan made from recycled fabric is on display at the Garbage Nordiska Museet exhibit on Feb. 21, in Stockholm, Sweden.  (Photo by Jonathan Nackstrand/AFP/Getty Images)

A hint of the Northern Lights provides the view from the top of Wakemup Hill, part of the Arrowhead 135 ultra marathon course in Minnesota. The spot is one of the most memorable locations in the race.   (Brian Peterson/Minneapolis Star Tribune/MCT)

The sun sets over Lands End viewed from Gwenver Beach in Cornwall, England on Feb. 7. Like many parts of England this season, Cornwall is enjoying unusually mild weather following one of the harshest winters on record.  (Photo by Matt Cardy/Getty Images)

A woman dons a mask as she makes her way along the streets of Beijing in heavy smog on Feb. 21. The city went beyond measurable pollution levels and officials rushed to warn people to stay inside and avoid outdoor activities. Beijing’s air pollution is consistently ranked as among the worst in the world.  (Photo by Goh Chai Hin/AFP/Getty Images)

Seedling for a tree is planted at a protected rainforest site near Manila, Philippines, on Feb. 23. The provincial government held simultaneous 500,000 tree-planting activities that sought to plant 12 million trees.   (Photo by Erik de Castro/Reuters)

Members of the rescuer state regional service patrol the frozen Biryusa Gulf of the Yenisei river near Siberia Russia on Feb. 24. The rescue group provides support in extreme situations on the ice-covered river for fishermen, hunters and motorists.  (Photo by Ilya Naymushin/Reuters)

A farm technician caters to a hen in Catton, England. The farm provides free-range eggs for Asda supermarkets the British arm of U.S. retailer Wal-Mart.  (Photo by Nigel Roddis/Reuters)

A flock of common green shanks search for food in a rice field near Manila, Philippines on Jan. 23. The number of birds flying south to important wintering grounds in the Philippines has fallen sharply. Experts blame the dramatic demise of wetlands.  (Photo by Ted Aljibe/AFP/Getty Images)

Members of PETA hold a demonstration outside the Rockefeller Center in New York. PETA claims it’s the largest animal rights organization in the world.   (Photo by Shannon Stapleton/Reuters)

A bird basks in early blossoms on a tree in London on Jan. 24. Birds have been taking advantage of the new blooms, collecting the petals to line their nests.  (Photo by Dan Kitwood/Getty Images)

Andreas Haggenmueller stands on top of a snow sculpture he created near Ofterschwang, Germany. For the over-sized beanie, Haggenmueller took more than 200 hours to crochet the colorful hat.  (Photo by Karl-Josef Hildenbrand/AFP/Getty Images)

A lab worker examines a sample pulled from cooked eggs for possible dioxin contamination at Germany’s Office for Environmental Protection in Halle, Germany. The government pressed the animal feed industry to clean up its act in an effort to ease a recent dioxin scare.  (Photo by Johannes Eisele/Getty Images)

An Egyptian driver gets stuck during a portion of the Africa Eco Race on Jan. 4. The race, which started in Morocco, continues for more than 12 days to the finish in Republic of Senegal.  (Photo by Frederick Florin/AFP/Getty Images)

Flamingos search for food between ice-crusted ponds and shrubbery in Strasbourg, France. Heavy snowfall and freezing temperatures this winter has created problems for park wild-life to find appropriate food.  (Photo by Patrick Hertzog/AFP/Getty Images)

Toy car models made from recycled cans in Madagascar are for sale at a Christmas market in Venice. L’Altro Natale is an alternative Christmas bizarre that promotes fair trade and alternative items.  (Photo by Marco Secchi/AFP/Getty Images)

An activist inspects a hot air balloon for an exhibit in the Kukulkan Castle in Yucatan, Mexico during a climate summit. Representatives from 194 countries are to meet in the Mexico for a United Nations meeting.   (Photo by Luis Perez/AFP/Getty Images)

Greenpeace activists set up their symbolic “Sinking Icons” display, by submerging replicas of world famous structures, on Dec. 8, during a United Nations climate change convention in Cancun, Mexico.  (Photo by Juan Barreto/AFP/Getty Images)

Ginormous pink snails invade Miami Beach in December as part of an art show to highlight recycling. Forty-five snails were placed in various areas throughout the city as part of a campaign to heighten environmental awareness.  (Photo by Juan Castro Rivera/AFP/Getty Images)

Members of PETA (People for the Ethical Treatment of Animals) dressed as Santa and his elves distribute leaflets and stickers in Manila to promote veganism on Dec.16.   (Photo by Jay Directo/AFP/Getty Images)

Santa Claus ambles through a Christmas Tree farm in Mellensee near Berlin. The country is expected to purchase about 29 million real trees this season, according to Germany’s timber industry association.   (Photo by Andreas Rentz/Getty Images)