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Thus, (*) the 1997 data are based on a slightly different classification than the 2007 and 2002 data. 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.
The green gross domestic product ( green GDP or GGDP) is an index of economic growth with the environmental consequences of that growth factored into a country's conventional GDP. Green GDP monetizes the loss of biodiversity, and accounts for costs caused by climate change. Some environmental experts prefer physical indicators (such as " waste ...
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]
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 ...
There are two types of water scarcity. One is physical water scarcity and the other is economic water scarcity. [2]: 560 Some definitions of water scarcity look at environmental water requirements. This approach varies from one organization to another. [15]: 4 Global water consumption 1900–2025, by region, in billions m 3 per year
t. e. Economic growth can be defined as the increase or improvement in the inflation-adjusted market value of the goods and services produced by an economy in a financial year. [ 1] Statisticians conventionally measure such growth as the percent rate of increase in the real and nominal gross domestic product (GDP).
Hydrogen has the most potential to reduce greenhouse gas emissions when used in chemical production, refineries, international shipping, and steelmaking [1] The hydrogen economy is an umbrella term for the roles hydrogen can play alongside low-carbon electricity to reduce emissions of greenhouse gases.
The economic history of the United States is about characteristics of and important developments in the economy of the U.S., from the colonial era to the present. The emphasis is on productivity and economic performance and how the economy was affected by new technologies, the change of size in economic sectors and the effects of legislation and government policy.