This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Maximum global warming is by? 
Select and explain. 
A. Desflurane, B. Isoflurane, C. Sevoflurane, D. Halothane
A: Desflurane
Answer: A: Desflurane 
Explanation: Ans. is 'a' i.e., Desflurane Desflurane is a greenhouse gas. It causes maximum global warming. Global warming potential (as an equal amount of O2) Isoflurane 210 times Sevoflurane 510 times Desflurane 1620 times