Existing fossil fuel projects are sufficient to meet projected energy demands in a global transition to net zero emissions, finds a new study by researchers from UCL and the International Institute for Sustainable Development (IISD). Existing fossil fuel projects are sufficient to meet projected energy demands in a global transition to net zero emissions, finds a new study by researchers from UCL and the International Institute for Sustainable Development (IISD). Environment Phys.org – latest science and technology news stories