Calix's Zesty technology, awarded at COP29 in Baku, Azerbaijan, is a renewable energy powered hydrogen direct reduced iron technology for green steel production. The indirect heating method replaces fossil fuels with efficient electric heating, making it adaptable to renewable power generation. The technology's minimal hydrogen use, compatibility with low-grade ores, and electric heating offer cost-effective green steel production. Zesty's benefits include proven efficiency at pilot scale, cost competitiveness, and simplified processing. The award highlights the technology's capability to address the substantial carbon emissions from iron and steel production. Collaborative efforts with industry partners and support from the Australian Government have contributed to Zesty's success. The Heavy Industry Low-carbon Transition Cooperative Research Centre acknowledges Zesty's innovative approach as pivotal for low emissions iron ore processing. Zesty's features like minimal hydrogen use, flexibility in heating, and compatibility with various ore types position it as an industry-wide solution for green steel. The technology's proven success in pilot testing and cost competitiveness showcase its potential to revolutionize iron and steel production towards a sustainable future. The Net Zero Industries Mission, initiated in 2022 by Austria and Australia, promotes the development of cost-effective solutions for a net zero industries future. Calix's environmental technology aims to combat global challenges in industrial sustainability and decarbonization. COP29's focus on financial aspects underlines the urgency for countries to invest in reducing greenhouse gas emissions and mitigating climate change impacts.