Energy & Green Tech

4 in 10 say next vehicle may be electric: Poll

Many Americans aren't yet sold on going electric for their next cars, a new poll shows, with high prices and too few charging stations the main deterrents. About 4 in 10 U.S. adults are at least somewhat likely to switch, ...

Machine learning & AI

Biden says tech companies must ensure AI products are safe

President Joe Biden said Tuesday it remains to be seen if artificial intelligence is dangerous, but that he believes technology companies must ensure their products are safe before releasing them to the public.

Energy & Green Tech

Biden offers $450M for clean energy projects at coal mines

President Joe Biden's administration is making $450 million available for solar farms and other clean energy projects at the site of current or former coal mines, part of his efforts to combat climate change.

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Climate

Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, rainfall, atmospheric particle count and numerous other meteorological elements in a given region over long periods of time. Climate can be contrasted to weather, which is the present condition of these same elements over periods up to two weeks.

The climate of a location is affected by its latitude, terrain, altitude, ice or snow cover, as well as nearby water bodies and their currents. Climates can be classified according to the average and typical ranges of different variables, most commonly temperature and rainfall. The most commonly used classification scheme is the one originally developed by Wladimir Köppen. The Thornthwaite system, in use since 1948, incorporates evapotranspiration in addition to temperature and precipitation information and is used in studying animal species diversity and potential impacts of climate changes. The Bergeron and Spatial Synoptic Classification systems focus on the origin of air masses defining the climate for certain areas.

Paleoclimatology is the study and description of ancient climates. Since direct observations of climate are not available before the 19th century, paleoclimates are inferred from proxy variables that include non-biotic evidence such as sediments found in lake beds and ice cores, and biotic evidence such as tree rings and coral. Climate models are mathematical models of past, present and future climates.

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