July 10 marks the 100th anniversary of the hottest temperature ever recorded on the surface of the earth. It reached 134 degrees Fahrenheit at Furnace Creek, Calif. on July 10, 1913 inside the present-day Death Valley National Park.
The record was previously held by El Azizia, Libya, where a temperature of 136.4 F was recorded on September 13, 1922. In September 2012, a World Meteorological Organization panel identified several major issues with the record, invalidated it and restored the title to Death Valley.
In the century since the heat record was set, average U.S. temperatures have risen more than one degree Fahrenheit. 2012 was the warmest year on record for the contiguous U.S., according to the National Oceanic and Atmospheric Administration.
The 1913 record was nearly broken at the end of June 2013, when a major heat wave scorched the western U.S. A tentatively recorded temperature of 129 F at Death Valley on June 30 tied the U.S. record for the highest temperature ever recorded in June.
All temperatures in degrees Fahrenheit. Hottest temperatures by state are daily high records. Average temperatures by region are annual average temperatures.
Infographic by Jan Diehm for The Huffington Post.
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A 2012 study from the U.S. Forest Service found that without "major adaptation efforts," parts of the U.S. are likely to see "<a href="http://www.treesearch.fs.fed.us/pubs/42363" target="_blank">substantial future water shortages</a>." Climate change, especially for the Southwest U.S., can both <a href="http://thinkprogress.org/climate/2013/02/25/1638541/study-climate-change-dry-up-us-reservoirs-lake-powell-lake-mead" target="_blank">increase water demand and decrease water supply</a>.
Research by British government found that <a href="http://www.huffingtonpost.com/2013/03/15/somalia-famine-climate-change_n_2883088.html" target="_blank">climate change may have contributed to a famine in East Africa</a> that killed between 50,000 and 100,000 people in 2010 and 2011. At least 24 percent of the cause of a lack of major rains in 2011 can be attributed to man-made greenhouse gases, Met Office modeling showed. (TONY KARUMBA/AFP/Getty Images)
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Research indicates that increased levels of atmospheric carbon dioxide <a href="http://www.onearth.org/blog/poison-ivy-climate-change" target="_blank">result in larger poison ivy plants</a>. Even worse, climate change will mean that the plant's irritating oil will also get more potent.
The <a href="http://www.livescience.com/28320-climate-change-allergies.html" target="_blank">spring 2013 allergy season could be one of the worst ever</a>, thanks to climate change. Experts say that increased precipitation, along with an early spring, late-ending fall and higher levels of atmospheric carbon dioxide may bring more pollen from plants and increased mold and fungal growth.
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High in the Peruvian Andes, parts of the world's largest tropical ice sheet have melted at an unbelievable pace. Scientists found that significant <a href="http://www.nytimes.com/2013/04/05/world/americas/1600-years-of-ice-in-perus-andes-melted-in-25-years-scientists-say.html" target="_blank">portions of the Quelccaya Ice Cap that took over 1,600 years to form have melted in only 25 years</a>. (Perito Moreno Glacier pictured)
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As Arctic ice melts and polar bears see more of their habitat disappear, the <a href="http://www.huffingtonpost.ca/2013/03/14/polar-bears-turn-brown-climate-change_n_2878684.html" target="_blank">animals could lose their famous white coats</a>. Researchers have already witnessed polar bears hybridizing with their brown cousins, but note that it would take thousands of years from them to adapt themselves out of existence.
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Apples produced in one Himalayan state of India are already losing their taste and even turning sour, experts say. <a href="http://zeenews.india.com/news/eco-news/arunachal-apples-losing-taste-due-to-climate-chang_831169.html" target="_blank">Increased rainfall and erratic weather in the region mean less than ideal conditions</a> for famously-sweet Kashmiri apples.
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