Saleemul Huq was a pre-eminent climate scientist and champion for developing countries. For many years, he was a lone warrior trying to bring the issues of adaptation and loss and damage to the UN negotiating table. His death last weekend caused an outpouring of emotion across the climate world. Ahead of COP28, Zero hears from some of Saleemul’s colleagues about his life, legacy and the hole he leaves behind in climate diplomacy. Read more: Saleemul Huq's obituary  Saleemul Huq and Farhana Sultana's Guardian op-ed Zero is a production of Bloomberg Green. Our producer is Oscar Boyd and our senior producer is Christine Driscoll. Special thanks to Kira Bindrim. Thoughts or suggestions? Email us at [email protected]. For more coverage of climate change and solutions, visit bloomberg.com/green.  See omnystudio.com/listener for privacy information.