Encyclopedia of Global Resources part 6 pot
... Air Act of 1 963 and the Motor Vehicle Pollution Act of 1 965 . The 1 963 act was too weak to be effective; in 1 967 , the stronger Air Quality Act was en- acted. The Clean Air Act Amendments of 1970 ... the quadru- pling of the price of imported oil to nearly twelve dol- lars per barrel. A month later, on November 16, 1973, Congress relieved the Department of the Interior of fu...
Ngày tải lên: 04/07/2014, 01:20
... 37,000,000 9 .68 Traprock 361 105,000,000 1,030,000,000 9.82 Volcanic cinder and scoria 46 6 ,63 0,000 48,800,000 7. 36 Miscellaneous stone 435 94,100,000 781,000,000 8.30 Source: Data from U.S. Bureau of ... a waterlogging of the soil. Waterlogging cuts off the supply of oxygen to the roots, and the plants die. Irrigation of crops in dry cli- mates can often result in salinization...
Ngày tải lên: 04/07/2014, 01:20
... metals because of their relatively high value per unitofweight. In contrast, owingtothe bulk of im - purities of copper ore, copper is considered an indus - 62 • Argentina Global Resources A soybean ... soybean farmer in the Pampas region of Argentina inspects his harvest. (Andres Stapff/Reuters/Landov) Global Resources Argentina • 61 Argentina: Resources at a Glance Offi...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 20 potx
... extraction of natural gas by drilling wells is the conventional means of retrieval but is expected to de - 162 • Canada Global Resources Global Resources Canada • 163 Canada: Resources at a Glance Official ... includes potassium compounds and any material containing potassium. The major use of potash is in the making of fertilizer. Potash was first discovered in Canada in...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 22 potx
... that included creation of a Department of Energy, deregulation of domestic crude oil prices, and promotion of conservation and alternative energy sources. An advocate of environ - mentalism, ... most processing of ceramics. Althoughsimple, thisdescrip- tion of ceramics was an accurate one until the time of WorldWar II. In the early 1940’s, the field of materials science, of...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 25 pot
... conventions; government and resources Date: June 21, 20 06 In the later part of the twentieth century and the early part of the twenty-first century, global temperatures have been some of the warmest ever ... and funding research into pollution prevention. 1 963 Clean Air Act of 1 963 First U.S. law providing for monitoring and control of air pollution. 1 967 Air Quality A...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 26 pot
... liquefaction Global Resources of electricity. Industrial consumption of coal, particularly in the produc- tion of coke for the steel and iron manufacturing industry, is the sec- ond most important use. Globally, ... digging of extensive systems of tunnels and passages within and along the coal layers. These openings are connected Global Resources Coal • 221 presence of whi...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 33 pot
... 290 • Department of Energy, U.S. Global Resources U.S. Department of Energy Secretary of Energy Deputy Secretary Federal Energy Regulatory Commission ChiefofStaff Office of the Under Secretary For ... a wealth of resources, the Department of the Interior has been prone to scandal. In 1929, Depart - ment of the Interior secretary Albert Falls was con - victed of bribery in...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 34 pot
... 2008. Web Site World Resources Institute World Resources 2008: Roots of Resilience— Growing the Wealth of the Poor http://www.wri.org/publication/world -resources- 2008-roots -of- resilience See also: ... ex- amples of resource problems in desert areas include overhunting of native ungulates for animal products such as tusks. Natural Resources Deserts of the world hold most...
Ngày tải lên: 04/07/2014, 01:20
Encyclopedia of Global Resources part 39 potx
... Coordination Act of 1934. In 1939, the management of wildlife was brought under the control of the Department of the Interior as a natural resource. In 1 964 , the department estab- lished the Committee on ... consistent” with the primary purposes of the agencies, the habitats of native verte- brate species that the Department of the Interior de- clared in danger of extinction...
Ngày tải lên: 04/07/2014, 01:20