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14 de mai. de 2024 · In 2023, the United States relied on fossil fuels for 59% of its electricity and ranked as the second-highest emitter. Its emissions per capita were double the global average. Nuclear is still the largest source of low-carbon electricity in the US at 18% of the mix. The country’s share of wind and solar has grown to 16% and is above the ...
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.
Há 5 dias · Published10 PM EDT, Wed May 29, 2024. ATLANTA (April 24, 2023) – Last Tuesday, April 18th, the National Urban League released the annual “State of Black America.”. The report warned that the country was facing a crisis of hate and extremism within its own borders. In summary, the report said, “the alarm around the explosive growth of ...
Há 2 dias · Four presidents died in office of natural causes (William Henry Harrison, Zachary Taylor, Warren G. Harding, and Franklin D. Roosevelt), four were assassinated ( Abraham Lincoln, James A. Garfield, William McKinley, and John F. Kennedy ), and one resigned ( Richard Nixon, facing impeachment and removal from office). [9]
Há 3 dias · The history of the American West in the late 19th and early 20th centuries has acquired a cultural mythos in the literature and cinema of the United States. The image of the cowboy , the homesteader , and westward expansion took real events and transmuted them into a myth of the west which has shaped much of American popular culture since the late 19th century.
Há 2 dias · If the United States were to have any hope of being recognized by the European powers, the American revolutionaries first had to make it clear that they were no longer dependent on Great Britain. [10] : 21, 38–40 The Declaration of Independence does not have the force of law domestically, but nevertheless it may help to provide historical and legal clarity about the Constitution and other laws.
Há 2 dias · Spanish. The Southern United States, sometimes Dixie, also referred to as the Southern States, the American South, the Southland, Dixieland, or simply the South, is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean and the Western United States, with the Midwestern and Northeastern United States ...
