run-off depletion curve
21radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
22Malthusian catastrophe — A Malthusian catastrophe (also phrased Malthusian check, Malthusian crisis, Malthusian disaster, Malthusian fallacy, Malthusian nightmare, or Malthusian theory of population) was originally foreseen to be a forced return to subsistence level… …
23Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …
24government budget — Forecast of governmental expenditures and revenues for the ensuing fiscal year. In modern industrial economies, the budget is the key instrument for the execution of government economic policies. Because government budgets may promote or retard… …
25wipe out — verb 1. kill in large numbers (Freq. 1) the plague wiped out an entire population • Syn: ↑eliminate, ↑annihilate, ↑extinguish, ↑eradicate, ↑decimate, ↑carry off …
26Free trade debate — Free trade is one of the most debated topics in economics of the 20th and 21st century Fact|date=December 2007. Arguments over free trade can be divided into economic, moral, and socio political arguments. The academic debate among economists is… …
27Liquefied petroleum gas — (also called LPG, GPL, LP Gas, or liquid propane gas) is a flammable mixture of hydrocarbon gases used as a fuel in heating appliances and vehicles. It is increasingly used as an aerosol propellant and a refrigerant, replacing chlorofluorocarbons …
28ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …
29technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
30Fossil fuel — Coal, one of the fossil fuels. Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes… …
