Global warming alarmists insist that we must drastically reduce or eliminate the eating of meat because, well, food-animal flatulence is destroying the planet, don’t you know.

But getting billions of people to stop eating beef isn’t very realistic, so some have put their hopes in lab-grown steaks made from stem cells. Oh no! That could be worse! From the BBC story:

“Per tonne emitted, methane has a much larger warming impact than carbon dioxide. However, it only remains in the atmosphere for about 12 years, whereas carbon dioxide persists and accumulates for millennia,” said co-author Prof Raymond Pierrehumbert.

“This means methane’s impact on long-term warming is not cumulative and is impacted greatly if emissions increase or decrease over time.”

The scientists’ climate model found that in some circumstance and over the very long term, the manufacture of lab meat can…