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From ancient times, people suspected that the climate of a region could change over the course of centuries. For example, Theophrastus, a pupil of Ancient Greek philosopher Aristotle in the 4th century BC, told how the draining of marshes had made a particular locality more susceptible to freezing, and speculated that lands became warmer when the clearing of forests exposed them to sunlight.
English: Carbon dioxide emissions by source since 1880 as calculated for the 2021 Global Carbon Budget. Carbon dioxide generated by land use changes (deforestation) has been added to as coal, oil, and natural gas consumption have each ramped up in turn. See easy access to source data here.
Counting the Irish diaspora and the forty-eighters, millions of Europeans emigrate to North America, South America, and Australia. 1859 John Tyndall discovers that some gases block infrared radiation. He suggests that changes in the concentration of these gases could bring climate change. [20] 1883 Eruption of Krakatoa in Indonesia. The sound ...
In 2020, 27% of the GHG emissions of the United States were from transportation, 25% from electricity, 24% from industry, 13% from commercial and residential buildings and 11% from agriculture. [13] U.S. energy-related CO2 emissions decreased by 3% in 2023, amounting to a reduction of approximately 134 million metric tons (MMmt).
Cumulatively since 1850, the U.S. has emitted a larger share than any country of the greenhouse gases causing current climate change, with some 20% of the global total of carbon dioxide alone. [10] Current US emissions per person are among the largest in the world. [11]
Global sea level has increased by 20–25 cm (8–10 in) since 1900, with half of that increase occurring since 1980. This sea level rise has been the fastest in "at least the last 3000 years", which is very likely to have been caused by human activity. [1]: 5, 8 [2]: 4 As the recent warming heats the ocean, its water expands in volume.
This is a list of U.S. states and territories by carbon dioxide emissions for energy use, [1] [2] as well as per capita [3] [4] and by area. [5] The state with the highest total carbon dioxide emissions is Texas and the lowest is Vermont. The state with the highest per capita carbon dioxide emissions is Wyoming and the lowest is New York.
1800–1500: Middle Bronze Age Cold Epoch, a period of unusually cold climate in the North Atlantic region Bond Event 2: Possibly triggering the Late Bronze Age collapse: 900–300: Iron Age Cold Epoch cold in North Atlantic. Perhaps associated with the Homeric Minimum: 250 BC–400 AD: Roman Warm Period