Identifying 5 expensive and downright impractical geoengineering ideas designed to curb global warming:
[5:30] 2 direct carbon capture projects (one of which plans to drill more oil)
[8:30] A gigantic umbrella in space?
[10:00] Adding iron to the ocean in hopes of spurring algae blooms
[13:00] Sending sulfur dioxide into the atmosphere in weather balloons, oh my
Resources mentioned: