climate change mitigation

Mitigation (‘to lessen the severity …’) of climate change involves reducing the concentration of greenhouse gases in the atmosphere, either by reducing greenhouse gas emissions, increasing the sinks for these gases (see carbon sink, carbon capture and storage) or geo-engineering. The shelter that trees provide reduces the need to warm buildings in winter while shade reduces the need for cooling in summer.

This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
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