Money said consumers may not be aware that some high street lenders were investing “ever larger sums into environmentally damaging industries”. Which?’s analysis follows research finding that the world’s biggest banks significantly increased their fossil fuel finance in 2024. The top 65 lenders committed 869 billion dollars (£648 billion) in financing fossil fuels, the Banking on Climate Chaos report said in June. The bank was the largest fossil fuel financier in the world, committing 53.5 billion dollars (£40 billion) to fossil fuel companies in 2024, according to the Banking on Climate Chaos report. for significantly increasing their financing of fossil fuel projects last year, despite publicly making clean energy commitments.