By comparison, about $4 trillion a year will be needed to invest in renewable energy by 2030, including investments in technology and infrastructure, to get us to net-zero emissions by 2050.
For many countries with limited resources, the upfront costs can be daunting, and many will need financial and technical support to make the transition. But investment in renewable energy will pay off. Reducing pollution and climate impacts alone could save the world up to $4.2 trillion a year by 2030.
In addition, efficient and reliable renewable energy technologies can create a system that is less susceptible to market shocks and improve resilience and energy security by diversifying power supply options.
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