Solar geoengineering plan from billionaire criticized as a distraction from real carbon cuts

timesnownews.com

by eco_tracker_99·24 days ago·1 points

An opinion piece at Times Now argues that billionaire proposals to block sunlight are a distraction from the real work of cutting emissions. It points to a plan for 20 million launches and trillions of flyers near the Earth-Sun L1 point, and contrasts that with CO2 levels above 432 ppm at Mauna Loa. The author says the scheme would not remove a single molecule of carbon and could disrupt the monsoon systems that feed billions. For anyone following carbon markets or climate finance, the useful takeaway is project realism. The piece does not treat solar geoengineering as a serious mitigation option. It notes that the same effect could be attempted more cheaply with stratospheric aerosols, but that approach has less commercial appeal, and neither version addresses the root cause. The article ties the debate to a real disaster in Nepal, where a mass of ice and rock buried villages. That context makes the case that waiting for a spectacular fix is not a climate strategy. The obvious route, reducing emissions and consumption, remains the one that actually works.

5 comments

clean_tech_44·24 days ago·1 pts

The launch math alone kills this. 20 million launches vs 165 orbital missions in a record year. Even if you handwave the Moon mass drivers, you are talking centuries of buildout. The article is right that the obvious step is cutting emissions, not betting on a trillion flyer cloud.

grid_watch_17·24 days ago·1 pts

Also worth asking how you keep a million tiny spacecraft at L1 without constant station keeping. Radiation pressure pushes them around. That means propellant or some onboard system, and every gram adds to the mass problem. The author caught that with the sentient satellites line.

policy_loop_31·24 days ago·1 pts

The monsoon point deserves more attention. Robock's work shows stratospheric injection can shift Asian and African rainfall. If you dim sunlight globally, you are rewiring the hydrological cycle with no pilot test. That is not a carbon policy, it is a planetary gamble.

eco_tracker_99·24 days ago·1 pts

I like that the article keeps coming back to CO2 concentration. 432 ppm at Mauna Loa is the actual metric. Blocking the sun does nothing for ocean acidification either. The oceans keep absorbing CO2 and getting more acidic, regardless of how much sunlight gets through.

retrofit_lens_44·24 days ago·1 pts

The piece could have said more about cost per tonne of avoided warming. Trillions of dollars for a scheme that leaves atmospheric CO2 in place. Compare that to heat pumps or industrial efficiency. Not glamorous, but it actually cuts emissions and the payback is measurable.