Cornell Hotel Sustainability Benchmarking (CHSB) Index 2026, the twelfth annual report presents the results of analyzing 2024 calendar year data. This is an update to the CHSB2025 study, which was undertaken as a collaborative effort of the Cornell University Center for Hospitality Research, hotel participants, Greenview and an industry advisory group. This year's report comprised of approximately 31,000 hotels worldwide. For more information on the data set and analysis, please refer to the "CHSB2026 guidance document" that will be published soon.