Jörðin er búin að breytast mikið í gegnum tíðina vegna gróðurhúsaáhrifa. Hér eru nokkur dæmi um það….
Pedersen Glacier, Alaska. Summer, 1917 — summer, 2005.
Aral Sea, Central Asia. August, 2000 — August, 2014.
Lake Oroville, California. July, 2010 — August, 2016.
Carroll Glacier, Alaska. August, 1906 — September, 2003.
Powell Lake, Arizona and Utah. March, 1999 — May, 2014.
Bear Glacier, Alaska. July, 1909 — August, 2005
Forests in Rondonia, Brazil. June, 1975 — August, 2009.
McCarty Glacier, Alaska. July, 1909 — August, 2004.
Matterhorn Mountain in the Alps, on the border between Switzerland and Italy. August, 1960 — August, 2005.
Mabira Forest, Uganda. November, 2001 — January, 2006.
Toboggan Glacier, Alaska. June, 1909 — September, 2000
