carbon neutral

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adjective

pertaining to or having achieved a state in which the net amount of carbon dioxide or other carbon compounds emitted into the atmosphere is reduced to zero because it is balanced by actions to reduce or offset these emissions: Since the administration installed solar panels, the campus has become carbon neutral;a carbon-neutral brewery.

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Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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See also carbon credit, carbon offsetting.

Origin of carbon neutral

First recorded in 1990–95

OTHER WORDS FROM carbon neutral

carbon neutrality, noun