July 1, 2021, 12:04 am Green savings bonds, allowing savers to help finance initiatives tackling climate change, will be launched by NS&I later this year (NS&I/PA) Green savings bonds, allowing savers to help finance initiatives tackling climate change, will be launched by NS&I later this year. The bonds, announced in the 2021 Budget, will be available to buy online at nsandi.com. They will be available at a fixed rate for a three-year term and money invested will help to finance green projects chosen by the Government. Projects will include making transport greener, using renewable energy over fossil fuels, preventing pollution, using energy more efficiently, protecting natural resources and adapting to a changing climate.