Most of the warming occurred in the past 40 years 20 are tied for the warmest years on record. The planet’s average surface temperature has risen about 2.12 degrees Fahrenheit since the late 19th century, driven largely by increased carbon dioxide emissions and other human activities. Climate Normals period from 1901-1930 (upper left) to 1991-2020 (lower right). temperature compared to the 20th-century average for each U.S. There are numerous reasons for that climate change ( NASA’s Climate Change page is a great resource), spanning from the Earth’s distance from the sun to humans burning coal, oil and gas, the gases from which “cause the air to heat up.”Ī large chunk of the United States has seen a warming trend in annual temperature (comparing the climate normals from this decade to decades past), most notably in the Western U.S., areas around the Great Lakes, the Northeast and Florida - so, almost everywhere.īefore we dive into the science behind Colorado’s warming summers, here are some global figures about climate change. Digital Replica Edition Home Page Close MenuĬolorado’s summers are getting warmer and drier, and it’s all because of climate change.Īt its core, climate change is simply a change in the usual weather that a location experiences over time - the 80218 zip code in Denver, the state of Colorado, the contiguous United States or the entire planet. Thanks to modern technologies and weather tracking systems, scientists are able to visualize the changes in our weather and climate on every scale.
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