Water-holding capacity is defined as the water retained between field capacity and wilting point. Field capacity is the saturated state of water in the soil that can drain freely due to the force of gravity. Wilting poin... More »

Clean Step Mat, available from Bed Bath & Beyond, features a non-slip latex backing that prevents sliding or scuffing on the floor. It’s a 2-foot by 3-foot mat that instantly absorbs water and dirt from muddy shoes. More »

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A ventless air conditioner works by blowing air through a material that is partially soaked in water, creating cool air through the evaporation of water. The technical term for a ventless air conditioner is an evaporativ... More »

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Solar radiation heats land faster than water for multiple reasons, including the higher heat capacity of water, water's reflectivity and the more absorbent, textured surface of the earth. Water reflects solar radiation, ... More »

An algal bloom, also known as a marine or water bloom, is a dramatic upsurge in the population of aquatic microbes. This often happens in response to changes in ocean or lake chemistry, such as the introduction of fertil... More »

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The term "global environment" refers to Earth's environment in general. Many environmental issues primarily affect local and national areas. Others deal with problems that face the entire planet. More »

Alternative energy is a substitute source of power that has equivalent or superior performance compared to existing technologies but do not exhaust fossil fuel or release carbon dioxide. These alternatives are renewable,... More »