While they aren’t yet public companies, their scale dwarfs what people associate with startups. Emerging public companies sometimes went to great lengths to demonstrate environmental stewardship. The AI companies are staffing up with an eye to California’s deadlines. Both Anthropic and OpenAI may be able to delay reporting the bulk of their emissions until next year. By 2029, after phased implementation, the EU’s Corporate Sustainability Reporting Directive would also require the companies to report all their emissions.