An ESG reporting platform backed by the government-owned British Business Bank has been put up for sale after appointing administrators, City AM can reveal, in the latest sign blue-chip companies are paring back their sustainability commitments. World Wide Generation, which operates the platform, known as G17 Eco, has opened the bidding to interested parties and those expressing interest following a listing on an insolvency marketplace. The London-based company, which was once valued at more than £90m in an equity funding round and counts…