Unlikely in the short term. Technically, moving Bitcoin to Proof of Stake would cut its footprint by a factor of about 10,000, as Ethereum did in 2022. But the Bitcoin community regards Proof of Work as a pillar of its security and decentralisation, and such a change would require a consensus that is almost impossible to build. The outcome will therefore depend mainly on the decarbonisation of the electricity mix in the countries where mining takes place.
Read the source article: Bitcoin carbon footprint: 33 tCO2e/year per million euros held