Sat, 04/22/2023 - 10:04 Tech Insider Technology .The toucan's namesake company is developing a blockchain-based registry for carbon credits.Wolfgang Kaehler/LightRocket/Getty Images Tags Sustainability, Technology, Gains in Green Tech, Web3, climate tech, One Planet, carbon credits, Startups, Blockchain, Special Projects, Climate, op-1, op-featured Source Startups want to use blockchain technology to improve the carbon-credit markets…