With focus on its ambitious goal of becoming the first net zero CO2-emission hostel chain in Europe by 2025, a&o Hostels, the world’s largest hostel chain, has released The a&o Sustainability Report 2022 to document its efforts and progress on sustainability issues while serving as an inspiration – even a road map – for other hospitality operators to follow suit. Written with sincerity and sharply designed, the report offers comprehensive analysis of key sustainability issues and the company’s approach to them over the past year.