The National Nuclear Laboratory (NNL) is a UK-based organization that provides expertise and technology solutions across the nuclear industry. It plays a crucial role in supporting the UK's nuclear power generation and research initiatives. NNL offers a wide range of services, including nuclear waste management, reactor operations support, and nuclear safety assessments. The laboratory is known for its cutting-edge research and development capabilities, which contribute to the advancement of nuclear science and technology.

In terms of sustainability, the National Nuclear Laboratory is committed to promoting safe and efficient nuclear energy as a low-carbon power source. Nuclear energy is recognized for its potential to significantly reduce carbon emissions compared to fossil fuels. NNL actively engages in research to improve the sustainability of nuclear power, focusing on areas such as waste reduction, resource efficiency, and the development of advanced reactor technologies. However, specific details on the laboratory's sustainability certifications or ESG reports are not widely available.