Key Bank is a regional bank headquartered in Cleveland, Ohio, offering a wide range of financial services to individuals and businesses. With a strong presence in the community, Key Bank operates numerous branches across several states, providing services such as personal banking, commercial banking, and wealth management.

In terms of sustainability, Key Bank has made commitments to environmental responsibility and sustainable practices. The bank has been involved in financing renewable energy projects and has set goals to reduce its carbon footprint. Key Bank has also been recognized for its efforts in promoting diversity and inclusion within its workforce and the communities it serves.

Key Bank's sustainability initiatives include investments in green buildings and energy-efficient technologies. The bank has received accolades for its corporate social responsibility efforts, although detailed ESG reports and specific carbon footprint calculations are not extensively available in public domains. The bank continues to work towards enhancing its sustainability credentials and contributing positively to environmental and social governance.