long-term variability
81Global climate model — AGCM redirects here. For Italian competition regulator, see Autorità Garante della Concorrenza e del Mercato. Climate models are systems of differential equations based on the basic laws of physics, fluid motion, and chemistry. To “run” a model,… …
82Siberian tiger — Conservation status Endangered ( …
83Murray-Darling basin — Map of the Murray Darling Basin The Murray Darling basin is a large geographical area in the interior of southeastern Australia, whose name is derived from its two major rivers, the Murray River and the Darling River. It drains one seventh of the …
84IPCC Fourth Assessment Report — IPCC Assessment reports: First (1990) 1992 sup. Second (1995) Third (2001) Fourth (2007) …
85Production leveling — Production leveling, also known as production smoothing or – by its Japanese original term – heijunka (平準化?),[1] is a technique for reducing the muda waste and vital to the development of production efficiency in the Toyota Production System and… …
86Ontario electricity policy — refers to plans, legislation, incentives, guidelines, and policy processes put in place by the Government of the Province of Ontario, Canada, to address issues of electricity production, distribution, and consumption. Policymaking in the… …
87List of scientists opposing the mainstream scientific assessment of global warming — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries …
88Chad, Lake — Lake, western Africa. Located at the juncture of the boundaries of Nigeria, Niger, and Chad, its southern part forms the northern extent of Cameroon. Fed by the Chari River, its area varies from year to year, usually ranging between 3,800 and… …
89Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …
90Sun — This article is about the star. For other uses, see Sun (disambiguation). The Sun …
