If you plant trees to offset carbon, at least you know that you're taking CO2 out of the atmosphere as they grow. (zerocarbonista.com)
Taking carbon out of the atmosphere will be crucial if we are to slow the progress of climate change. (newscientist.com)
Even with innovation and scaling up, we may at some point have to deploy «direct - air capture» technology, which pulls carbon dioxide out of the atmosphere. (scientificamerican.com)