In honor of Earth Day on April 22, ten photos from around the world.
WEDDERSLEBEN, GERMANY - APRIL 20, 2014: Visitors walk along the Devil's Wall (Teufelsmauer), a natural rock formation in the Harz region. The formation is made of sandstone and was created through geological activity in the Late Cretaceous period.
BIG PINE KEY, FL - SEPTEMBER 11: A dead buttonwood tree is seen as mangrove trees grow in its place. Over the last 50 years, Florida Keys upland vegetation has been dying off and replaced by salt-tolerant vegetation.
CAPE TOWN, SOUTH AFRICA - MARCH 29, 2014: South Africans pledge their support to be a 'Superhero For The Planet', to help raise funds for the Restore The Roodeberg initiative to ensure that it is included in the Table Mountain National Park.
GRAND ISLE, LA - APRIL 19, 2014: BP announced April 15 that it was ending its 'active cleanup' on the Louisiana coast from the Deepwater Horizon oil spill. BP's rig exploded on April 20, 2010, killing 11 workers & spilling millions of gallons of oil.
KINGUSSIE, SCOTLAND - SEPT. 09, 2013: This Przewalski foal at the Highland Wildlife Park was the first newborn at the park in 5 years. Przewalski's horses, once extinct in the wild, were reintroduced via a captive-bred population in the 1990s.
KAVANYONGI, DEMOCRATIC REPUBLIC OF THE CONGO - AUGUST 10, 2013: Wild birds fly near Kavanyongi village. UK company Soco International PLC planned to explore for oil in Virunga National Park, a World Heritage Site and most biodiverse park in Africa.
UKEDO, JAPAN - MARCH 10, 2014: Tsunami debris remains in an abandoned area within 10km from the Fukushima Daiichi nuclear power plant. The third anniversary of the Fukushima nuclear disaster that claimed more than 18,000 lives was on March 11.
CUIABA, BRAZIL - NOVEMBER 17, 2013: A view of the Blue Lagoon in the Pantanal region. The area is constituted as a national park, close to the city of Cuiaba, where the Arena Pantanal will be a stadium venue during the FIFA Brazil 2014 World Cup.
LONDON, ENGLAND - APRIL 20, 2014: A woman admires the scenery surrounded by bluebells in the grounds of Osterley Park. Created in the late 18th century and located in urban Hounslow, Osterley is one of the last surviving country estates in London.
REYKJAVIK, ICELAND - APRIL 07, 2014: Clouds hover over the landscape surrounding the geothermal waters at the Blue Lagoon close to the Icelandic capital of Reykjavik.