What does "carbon neutral" mean?

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

What is a synonym for "carbon neutral"?

Common synonyms include: zero footprint.

adj

adj ·Rare ·Advanced level

Adjective

1
Having an overall zero carbon footprint after carbon emissions trading has been taken into account. not-comparable
"We must accelerate the switch from coal and oil to clean, carbon-neutral power. Such a shift will bring new jobs and growth."

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

In mainstream usage since the early 2000s.