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Water trading. Water trading is the process of buying and selling water access entitlements, also often called water rights. The terms of the trade can be either permanent or temporary, depending on the legal status of the water rights. Some of the western states of the United States, Chile, South Africa, Australia, Iran and Spain 's Canary ...
Emissions trading. A coal power plant in Germany. Due to emissions trading, coal may become a less competitive fuel than other options. Emissions trading is a market-based approach to controlling pollution by providing economic incentives for reducing the emissions of pollutants. [ 1] The concept is also known as cap and trade (CAT) or ...
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 ice trade, also known as the frozen water trade, was a 19th-century and early 20th-century industry, centering on the east coast of the United States and Norway, involving the large-scale harvesting, transport and sale of natural ice, and later the making and sale of artificial ice, for domestic consumption and commercial purposes.
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.
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
International trade and water. International trade and water is the relationship between international trade and the water being used by humans. The substantial increase in human population during the 20th century combined with rapid increases in overall global economic development has resulted in rising challenges for the future of public ...
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 ...