This study examines boron-nitride nanobelts, including Möbius-type, for capturing and detecting nine greenhouse gases (ammonia, carbon dioxide, carbon monoxide, hydrogen sulfide, methane, methanol, nitric dioxide, nitric oxide, and phosgene). Negative adsorption energies indicate favorable adsorption on both nanobelt types. The systems show recovery times ranging between 2 h to few nanoseconds. Only nitric oxide forms covalent bonds; other gases interact non-covalently. Molecular dynamics simulations reveal consistent single-molecule interactions and attractive forces with multiple molecules. Semi-empirical tight-binding methods, as implemented in the xTB software were used for computational efficiency. Results demonstrate the potential of boron-nitride nanobelts for environmental monitoring and remediation of industrial toxic gas emissions, addressing concerns about human health and environmental impact.