Various methods of carbon dioxide removal (CDR) are being pursued in response to the climate crisis, but they are mostly not proven at scale. Climate experts are divided over whether CDR is a necessary requirement or a dangerous distraction from limiting emissions. In this Viewpoint, six experts offer their views on the CDR debate.
There will never be enough trees to absorb all the carbon emitted from fossil fuels.
There isn’t enough land to plant all the trees we need to capture all the carbon emissions.
Planting trees in the wrong biomes would degrade the biome and release stored carbon.