Bangladeshi complainants allege Rampal power station’s pollution and climate risks threaten the Sunderbans, a world heritage siteBarclays Bank is facing a formal complaint over its financial links to a coal-fired power station near the Sundarbans, the world’s largest mangrove forest and home to millions of people in Bangladesh and India.Three complainants from the region have submitted a case to the UK government’s Office for Responsible Business Conduct, alleging that the British bank bre