carbon neutral

• carbon-neutral

In mainstream usage since the early 2000s.[1]

carbon neutral (not comparable)

1. Having an overall zero carbon footprint after carbon emissions trading has been taken into account.

   Coordinate terms: carbon positive, carbon negative

   • 2003 January 23, Claude Martin, “Weather in Davos : Let's now get serious about warming”, in The International Herald Tribune‎, →ISSN:

     We must accelerate the switch from coal and oil to clean, carbon-neutral power. Such a shift will bring new jobs and growth.

   • 2004 February 6, Katherine Tanko, “Luxury in an 'eco' world”, in International Herald Tribune‎, →ISSN:

     The hotel plans to make the property "carbon neutral" — whereby carbon emissions are offset by tree planting or other green schemes, and the hotel car runs on filtered, used vegetable oil. Or will, when the promised supply arrives.

• carbon neutrality

• carbon neutrality on Wikipedia.Wikipedia
• “carbon neutral”, in Collins English Dictionary.
• “carbon neutral” in Longman Dictionary of Contemporary English, Longman.

Unadapted borrowing from English carbon neutral.

carbon neutral (invariable)

1. (neologism) carbon neutral