The Task Force on Climate-Related Financial Disclosures (TCFD) has released new guidance asking companies to change the way they report their greenhouse gas emissions, posing a challenge for businesses in Hong Kong as the city aims to align its listed firms with the framework by 2025.The international organisation of 32 members, set up by the Basel-based Financial Stability Board in 2015 to develop guidelines for voluntary climate-related financial disclosures across industries, updated its…