So you're saying if you lock yourself in the mainly sealed garrage with a small enough CC motor running, the exhaust gasses won't build up over a long enough time to knock you off this mortal coil?
The earth isn't closed loop, but damn close enough. The Idea that we can continue to spew more and more of anything into the atmosphere without causing a change is the real Scam in my opinion.
Speaking of MN and climate change, they're having issues with those 10,000 lakes and all the road salt they've been using for the past couple decades.