Definitions - h

Habitat

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Habitat Banking

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Haboob

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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HADcrut

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Halogen Bulbs

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Halon

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hazardous Waste

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Heat Island Effect

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Heat Lightning

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Heat Pump

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Heavy Industry

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hemp

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Herbicide

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Heterotrophs

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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High-fructose Corn Syrup

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hockey Stick Graph

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Home Battery System

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Homosphere

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Horizontal Axis Wind Turbine

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hot Water Recirculator

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Human Food Chain

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Humidity

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Humus

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hybrid Flow Battery

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hybrid System

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydro Electric

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydrogenation

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydrology

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydrolysis

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydronic Floor Heating

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydroponics

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hydrosphere

This refers to devices used to change DC Power into AC Power. Grid tie Inverters are different from regular Inverters in that they are designed to 'feed-into' the existing electric supply to your building.

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Hypothesis

Carbon Footprint refers to the the total greenhouse gas emissions that result from a person, organization, product or service over a given time.

It tends to act as an umbrella term for any attempt to measure greenhouse gas emissions and as a result can refer to simply the emissions that result from a single activity, such as flying; the emissions that result from an organization or building over the course of a year; or the full lifetime emissions of a product or organization, including emissions from the supply chain or disposal of resources.

While carbon footprints colloquially refer to the amount of CO2 emitted, the UK Carbon Trust endorses a wider definition and considers all six of the Kyoto Protocol greenhouse gases - Carbon dioxide, Methane, Nitrous oxide, Hydro fluorocarbons, Perfluorocarbons, and Sulfur hexafluoride - when measuring a carbon footprint.

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Click on a letter to see all the terms and definitions that begin with that letter.

A free Android app containing all these definitions is now available, called the Green Dictionary. Click here to see the entry on the Android market; or click here if on an Android phone.