The International Energy Agency (IEA) has announced that a surge in clean energy spending will drive global energy investment to a record-breaking USD3.3 trillion this year despite global economic uncertainty and escalating geopolitical tensions.In the IEA's estimates, clean energy, including renewables, nuclear power, and energy storage, is expected to attract USD2.2 trillion in investment, twice the amount going into fossil fuels.Related NewsCaixin Manufacturing PMI for May in China is 48.3, lower than the previous value of 50.4. The forecast was 50.6.It is also anticipated that investment in solar power will reach USD450 billion, the largest this year, while battery storage will soar to around USD66 billion. On the downside, investment in oil and natural gas is projected to falter, with upstream oil investment expected to sink by 6% this year.