GreenJams is an Indian cleantech enterprise that aims to make buildings and infrastructure carbon-negative. The company creates industry-leading building materials such as Agrocrete®, a patented material made from rice straw, lime sludge, steel flakes and other industrial waste streams, which offers strength and insulation while cutting down construction time and cost. Additionally, due to its simple manufacturing process, Agrocrete® enables the design of a hyper-local model and the engagement of rural entrepreneurs.