reducing environment
51Gley soil — in soil science is a type of hydric soil which exhibits a greenish blue grey soil color due to wetland conditions. On exposure to the air, gley colors are transformed to a mottled pattern of reddish, yellow or orange patches. During gley soil… …
52Metal carbonyl — Iron pentacarbonyl An iron atom with five CO ligands Metal carbonyls are coordination complexes of transition metals with carbon monoxide ligands. These complexes may be homoleptic, that is containing only CO ligands, such as nickel carbonyl… …
53Boudouard reaction — The Boudouard reaction is the redox reaction of a chemical equilibrium mixture of carbon monoxide and carbon dioxide at a given temperature. It is the disproportionation of carbon monoxide into carbon dioxide and graphite or its reverse::2CO… …
54Cohenite — General Category Carbides Chemical formula (Fe,Ni,Co)3C Strunz classification 01.BA.05 …
55Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
56United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
57Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …
58Carbon tax — Part of a series on Green economics Concepts …
59Climate change mitigation — Fossil fuel related CO2 emissions compared to five of IPCC s emissions scenarios. The dips are related to global recessions. Data from IPCC SRES scenarios; …
60Sustainability — Achieving sustainability will enable the Earth to continue supporting human life as we know it. Blue Marble NASA composite images: 2001 (left), 2002 (right). See also: Sustainable development Sustainability is the capacity to endure. For humans,… …
