This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, 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: Desflurane is a greenhouse gasIt causes maximum global warmingGlobal warming potential (as an equal amount of CO2)Isoflurane210 timesSevoflurane510 timesDesflurane 1620 times (Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no. 170)