The article provides insights into the growing scope of ESG regulations and the variety of corporate activities they cover to stimulate markets, change behaviors, create transparency, and ensure compliance. European plans are outlined to promote the use of green hydrogen technologies through the Net Zero Industry Act, with a focus on increasing hydrogen production capacities within the EU. Additionally, the article delves into legal requirements for waste heat utilization in data centers to enhance energy efficiency, the adoption of the Corporate Sustainability Due Diligence Directive in the EU, and the implications of energy efficiency on property values. It also discusses the significance of ESG and labor law, particularly focusing on social sustainability aspects and the role of businesses in incorporating sustainable practices. The content highlights the need for modernization measures in sectors like the building industry to reduce greenhouse gas emissions and achieve climate targets. Moreover, the article touches on the Corporate Sustainability Reporting Directive and its implications for companies in including sustainability-related disclosures in their financial statements.