Suffolk County Council will invest £12.8m to reduce the carbon produced by hundreds of its buildings.
The money will target measures to reduce the energy consumption of buildings such as fire stations and libraries.
Through its Energy Management Strategy, the council will also review the heating and cooling of its buildings, continue its LED lighting rollout, replace older fossil fuel boilers and generate its own energy.
Cllr Richard Rout, deputy leader and cabinet member for finance and environment at Suffolk County Council, said: 'The report that we have approved today outlines an implementation plan for how we approach reducing the carbon emitted by the hundreds of buildings we own. It is a considerable milestone in our journey to net zero.
'The detail of the plan can now be developed and our corporate property team will work with central government, partners, industry experts and our own in-house professionals. They will now develop more detailed plans to ensure we are delivering effective projects with a clear focus on value for money.'
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