Didn’t know this happens outdoors. Does the CO2 rise well above the surface though? I’ve heard there are “Dog Caves” [1] around the world where CO2 is low in th

Didn’t know this happens outdoors. Does the CO2 rise well above the surface though? I’ve heard there are “Dog Caves” [1] around the world where CO2 is low in the cave and will kill short animals but spare adults. [1] https://www.amusingplanet.com/2018/03/why-dogs-cant-stand-cave-of-dogs.html?m=1 https://www.amusingplanet.com/2018/03/why-dogs-cant-stand-ca...