Exploitation in the mining sector gave rise to the term "blood nickel", while ad agencies were in the spotlight for working with fossil fuel giants. Here are the individuals and organisations that made the headlines for the wrong reasons.
Airlines came under intense scrutiny for suspect green claims this year, as did net zero targets, sustainability-linked loans and the UN-led COP process. Australia led the Asia Pacific region for penalising firms for greenwashing with fines.
The Singapore anti-waste non-profit sees executive director Huileng Tan move on after three years. Partnerships director Lionel Dorai succeeds Tan in the top job.