fluctuation - a situation in which prices, levels or interest rates go up and down, emission - the production and discharge of something, especially gas or radiation., recycling - the process of converting waste materials into new materials and objects, mitigation - the act of lessening or easing the harshness of a punishment, a fine, or someone's pain, reversion - a return to a previous state, practice, or belief., deforestation - the cutting down of trees in a large area, tackling - trying to deal with something or someone:,

Opposite comparison changing in climate

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