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The U.S. economy is heavily dependent on road transport for moving people and goods. Personal transportation is dominated by automobiles, which operate on a network of four million miles (6.4 million km) of public roads, [ 339] including one of the world's longest highway systems at 57,000 miles (91,700 km). [ 340]
Blue economy is a term in economics relating to the exploitation, preservation and regeneration of the marine environment. Its scope of interpretation varies among organizations. However, the term is generally used in the scope of international development when describing a sustainable development approach to coastal resources and ocean ...
The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.
Number of establishments by sector in the United States economy in 1997, 2002, and 2007. Value of sales, shipments, receipts, revenue, or business done by sector in the United States economy in 1997, 2002, and 2007. Annual payroll by sector in the United States economy in 1997, 2002, and 2007.
Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and industry, although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [ 1] Extensive industrialization and rapid urban growth ...
The US economy is on the verge of an extremely rare achievement. Economic growth in the first half of the year was solid, with the economy expanding a robust 2.8% annualized rate in the second ...
Long Term Economic Growth – 1860–1965: A Statistical Compendium. Business Booms and Depressions since 1775, a chart of the past trend of price inflation, federal debt, business, national income, stocks and bond yields for the United States from 1775 to 1943. Budget of the United States Government.
Consumer spending accounts for the vast majority of the US economy, about 70% of it. Spending accelerated sharply in the second quarter to an annual rate of 2.3%, up from 1.5% in the first quarter ...