Dang can we please change this editorialized title?
When you click through the actual title is: Carbon dioxide overload, detected in human blood, suggests a potentially toxic atmosphere within 50 years
When you click through the actual title is: Carbon dioxide overload, detected in human blood, suggests a potentially toxic atmosphere within 50 years
But if you read that abstract, it's about diagnosing blood diseases, and suggests based on surveys of different studies of current people's blood levels that levels above 30mEq/L be flagged as out of normal. It doesn't discuss harms or outcomes.
So even "potentially toxic" seems baseless.