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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 ...
In 2010, the United States had 21.5 GW of pumped storage generating capacity (20.6% of world capacity). [69] PSH contributed 21,073 GWh of energy in 2020 in the United States, but −5,321 GWh (net) because more energy is consumed in pumping than is generated. [ 70 ]
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]
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.
Sustainable Development Goal 6 ( SDG 6 or Global Goal 6) declares the importance of achieving "clean water and sanitation for all". It is one of the 17 Sustainable Development Goals established by the United Nations General Assembly to succeed the former Millennium Development Goals (MDGs). According to the United Nations, the overall goal is ...
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 ...
Gross domestic product for the second quarter of this year came in better than expected, with the economy growing at an annualized rate close to 3%. And even though the pace of hiring has slowed ...
The water cycle (or hydrologic cycle or hydrological cycle ), is a biogeochemical cycle that involves the continuous movement of water on, above and below the surface of the Earth. The mass of water on Earth remains fairly constant over time. However, the partitioning of the water into the major reservoirs of ice, fresh water, salt water and ...