I'm not sure where people are getting this terminology of "unlimited" energy from fusion. Nothing in the universe is unlimited. The earth's supply of deuterium and/or tritium is not unlimited.<p>It's also not infinitely "clean" energy. A fusion reactor is not a black box that is built once and never again maintained or rebuilt, or doesn't use any consumable components besides fuel.<p>We already have the technology that gives us <i>nearly</i> clean energy, namely nuclear (fission) reactors. If we truly want to reduce CO2, we should be ramping up nuclear power, as a bridge to switching to renewables in the long term. If only nuclear power wasn't so politically... radioactive.
Virtually unlimited clean energy like that would allow us to vacuum back the carbon dioxide from the atmosphere and reverse the damage we’ve done in the past 200 years, while allowing us to continue with our fossil fuel infrastructure.<p>It’ll also enable unlimited desalination which would allow more crops and a lot more food, ending a whole mess of problems.