Turning carbon dioxide into liquid fuel. Scientists have discovered a new electrocatalyst that converts carbon dioxide (CO2) and water into ethanol with very high energy efficiency, high selectivity for the desired final product and low cost.

[u/Wagamaga]

https://www.anl.gov/article/turning-carbon-dioxide-into-liquid-fuel

[u/brunes → u/[deleted]]

Nature has already created the simplest and likely most effective carbon sequestration machine we will have - the tree.

[u/farmer-boy-93 → u/[deleted]]

We just have to plant trees where people don't want to use the land, like on Mars.