The private sector can solve this entirely. We just need to: - Find people who own property with lead in the ground - Pay them for a pinky promise to never ev

The private sector can solve this entirely. We just need to: - Find people who own property with lead in the ground - Pay them for a pinky promise to never ever mine the lead - Sell the resulting "lead offsets" to private aviators, who can - Continue burning 100LL while claiming on social media that they have achieved "lead-neutral" flight!