Climeworks has just opened the world’s largest direct carbon capture plant. It can suck around 36,000 tons of CO2 from the air each year, burying it underground.
How do you measure “efficiency” ? By money spent? Then yes, trees are currently cheaper. But trees are complicated (see other comments). Additionally, even if we cover the whole landmass with trees, there is still a catastrophic amount of Co2 left in the atmosphere.
How do you measure “efficiency” ? By money spent? Then yes, trees are currently cheaper. But trees are complicated (see other comments). Additionally, even if we cover the whole landmass with trees, there is still a catastrophic amount of Co2 left in the atmosphere.