By Vicky Shaw, PA Personal Finance Correspondent & Lawrence Matheson Green Savings Bonds have had a cut in rate according to the big savings bank NS&I, as they launched their new issue. The new offer pays 2.95% AER (annual equivalent rate) over a three-year term, says the Treasury-backed provider. On the other hand, the old offer, which lasted until January 30, 2024, gave 3.95% AER. The Green Savings Bonds allow savers to help fund green government projects across the UK, supporting efforts for green projects under the UK Government’s Green Financing Framework. Announced in the 2021 spring bud…