"Although Burning Man can be a nurturing and safe space, there's still real-world dangers and potentially real world over-enforcement of marijuana ... walk around with a joint at the playa ...

so the burning is less complete. This results in smoke with high concentrations of toxins. Then there’s the matter of size. Blunts are a lot bigger than joints, and they hold way more pot.

Chu, Yu-Wei Luke, and Wilbur Townsend. "Joint Culpability: The Impact of Medical Marijuana Laws on Crime." Journal of Economic Behavior & Organization 159 (March 2019): 502–525.

Be it the smoke from a burning tree, a vape, a cigarette of a joint. When it burns, carcinogenic and toxins are released from the combustion. Marijuana also contains toxins similar to those of ...