The value of global investment towards renewable energy technology development has seen an overall increase, reaching **** billion U.S. dollars in 2019. Between 2004 and 2019, the value of investment from corporate research and development has seen the highest growth rate, whereas government investment has stagnated since 2009.
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UNEP, & Bloomberg, & FS-UNEP Collaborating Centre. (June 9, 2020). Total investment in technology development for renewable energy worldwide from 2004 to 2019, by source of funding (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1156212/global-technology-development-for-renewable-energy-worldwide-by-source-of-funding/
UNEP, und Bloomberg, und FS-UNEP Collaborating Centre. "Total investment in technology development for renewable energy worldwide from 2004 to 2019, by source of funding (in billion U.S. dollars)." Chart. June 9, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1156212/global-technology-development-for-renewable-energy-worldwide-by-source-of-funding/
UNEP, Bloomberg, FS-UNEP Collaborating Centre. (2020). Total investment in technology development for renewable energy worldwide from 2004 to 2019, by source of funding (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1156212/global-technology-development-for-renewable-energy-worldwide-by-source-of-funding/
UNEP, and Bloomberg, and FS-UNEP Collaborating Centre. "Total Investment in Technology Development for Renewable Energy Worldwide from 2004 to 2019, by Source of Funding (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Jun 2020, /statistics/1156212/global-technology-development-for-renewable-energy-worldwide-by-source-of-funding/
UNEP & Bloomberg & FS-UNEP Collaborating Centre, Total investment in technology development for renewable energy worldwide from 2004 to 2019, by source of funding (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1156212/global-technology-development-for-renewable-energy-worldwide-by-source-of-funding/ (last visited July 28, 2026)
Total investment in technology development for renewable energy worldwide from 2004 to 2019, by source of funding (in billion U.S. dollars) [Graph], UNEP, & Bloomberg, & FS-UNEP Collaborating Centre, June 9, 2020. [Online]. Available: /statistics/1156212/global-technology-development-for-renewable-energy-worldwide-by-source-of-funding/
