[IEA: total global energy investment is expected to reach US $2.8 trillion in 2023] according to Science and Technology Innovation Board Daily on the 26th, according to IEA, the total global energy investment in 2023 is expected to reach US $2.8 trillion, of which clean energy investment is expected to increase by 24% over 2021 to more than US $1.7 trillion. Investment in fossil fuels increased by 15 per cent to $1.1 trillion over the same period.