Imagine trying to remove a teaspoon of ink from an Olympic swimming pool.

That is roughly the challenge direct air capture faces.

Proponents argue that giant machines can pull carbon dioxide directly from the atmosphere and help prevent future warming. Governments are spending billions to support the idea.

Yet the atmosphere contains only about 0.04% CO₂.

This raises an obvious question of.. how much energy, infrastructure, and money are required to find and remove something that is so incredibly diluted?

The answer may surprise you… read our article for more