9781422274545

WORDS TO UNDERSTAND

automate a process where machines do work to save human effort

biomass the plant and animal substances used for fuel

boon something that brings great benefits

coastal near the land beside a sea

concentration the amount of a substance present in something

conventional something which is usual or traditional

decompose to slowly and naturally decay

drill to make a hole in something

drought a long period of time when there is little or no rain, and crops die

efficient something that works well and produces good results by using the available energy in an effective way

emission the act of releasing gas or heat into air

generating capacity the amount of power which a power plant can produce at a time

CLIMATE CHANGE: Problems and Progress

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