Inside Back Cover: A Metal–Organic Framework Based Methane Nano‐trap for the Capture of Coal‐Mine Methane (Angew. Chem. Int. Ed. 30/2019)

A methane nanotrap based on an alkyl metal–organic framework (MOF) and featuring oppositely adjacent open metal sites and dense alkyl groups is reported by S. Ma, Z. Niu, and co-workers in their Communication on page 10138 ff. The methane nanotrap endows the MOF with the record-high methane uptake and excellent CH4/N2 separation performance, thereby providing a new perspective for capturing methane from coal-mine methane to recover fuel and reduce greenhouse gas emissions.