Which organization developed the sustainability standards for B Corp Certification?

B Lab is the organization that developed the sustainability standards for B Corp Certification. This certification process allows companies to measure their impact on a variety of criteria, including social and environmental performance, accountability, and transparency. B Lab created the standards to assess how companies create value for non-shareholding stakeholders, which is a central tenet of the B Corp movement.

B Lab's standards are designed to encourage businesses to improve and harness their operations for greater positive impact, thus redefining success in business by focusing not just on profit, but also on social and environmental contributions. The organization provides a framework that businesses can adopt to enhance their sustainability practices, ensuring that they align with broad standards that support responsible business practices.

The other organizations listed do not have a direct role in B Corp Certification; they are focused on various environmental and conservation efforts but do not provide the framework or standards for corporate certification related to social and environmental accountability like B Lab does.