empreinte écologique
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ecological footprint — the impact of human activity on the environment
crise climatique
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climate crisis — the urgent threat posed by climate change
combustibles fossiles
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fossil fuels — coal, oil and gas — formed from ancient organisms
zéro net
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net zero — achieving a balance between emitting and removing carbon
conservation
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conservation — the protection of the natural environment
neutre en carbone
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carbon neutral — not adding any net CO2 to the atmosphere