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Climate change has led to the United States warming by 2.6 °F (1.4 °C) since 1970. [ 3 ] The climate of the United States is shifting in ways that are widespread and varied between regions. [ 4 ][ 5 ] From 2010 to 2019, the United States experienced its hottest decade on record. [ 6 ]
In sharp contrast, the period between 14,300 and 11,100 years ago, which includes the Younger Dryas interval, was an interval of reduced sea level rise at about 6.0–9.9 mm/yr. Meltwater pulse 1C was centered at 8,000 years ago and produced a rise of 6.5 m in less than 140 years, such that sea levels 5000 years ago were around 3m lower than ...
Between 1901 and 2018, the average sea level rose by 15–25 cm (6–10 in), with an increase of 2.3 mm (0.091 in) per year since the 1970s. [44]: 1216 This was faster than the sea level had ever risen over at least the past 3,000 years. [44]: 1216 The rate accelerated to 4.62 mm (0.182 in)/yr for the decade 2013–2022. [45]
It shows sea level rise in 2100 of about 44 cm (17 in) with a range of 28–61 cm (11–24 in). The "moderate" scenario, where CO 2emissions take a decade or two to peak and its atmospheric concentration does not plateau until the 2070s is called RCP 4.5. Its likely range of sea level rise is 36–71 cm (14–28 in).
The United States budget comprises the spending and revenues of the U.S. federal government. The budget is the financial representation of the priorities of the government, reflecting historical debates and competing economic philosophies. The government primarily spends on healthcare, retirement, and defense programs.
The United States federal budget for fiscal year 2024 runs from October 1, 2023, to September 30, 2024. From October 1, 2023, to March 23, 2024, the federal government operated under continuing resolutions (CR) that extended 2023 budget spending levels as legislators were debating the specific provisions of the 2024 budget.
Between 1901 and 2018, the average sea level rose by 15–25 cm (6–10 in), with an increase of 2.3 mm (0.091 in) per year since the 1970s. [83]: 1216 This was faster than the sea level had ever risen over at least the past 3,000 years. [83]: 1216 The rate accelerated to 4.62 mm (0.182 in)/yr for the decade 2013–2022. [84]
Historical sea level reconstruction and projections up to 2100 published in 2017 by the U.S. Global Change Research Program [204] Global sea level is rising as a consequence of thermal expansion and the melting of glaciers and ice sheets. Between 1993 and 2020, the rise increased over time, averaging 3.3 ± 0.3 mm per year. [205]