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Amazon has unveiled the 2025 cohort of its sustainability accelerator program, a strategic initiative designed to nurture innovative climate solutions. Out of 550 applicants, the company selected 11 firms poised to tackle pressing environmental challenges such as energy efficiency, waste reduction, and water management. Since its inception in 2022, the program has evolved each year, with previous cohorts focusing on sustainable packaging and the circular economy.

To qualify, companies must have moved beyond the prototype stage and be on the path to generating revenue while expanding their operations. The selected participants will benefit from four weeks of intensive workshops, mentorship, and leadership panels led by industry experts. This culminates in a pitch opportunity for pilot projects, with funding ranging from $50,000 to $2 million based on project scope.

Among the promising participants is Mhor Energy from the UK, which specializes in flow batteries that store energy in liquid form and boast a lifespan of 20 to 25 years, even under high temperatures. Vuala, also from the UK, is developing a biomechanical artificial stomach designed to transform food waste into biogas and hydrogen at customer sites. Cartesian from Norway is innovating with thermal batteries that can store energy in materials that alter their physical state, while Over Easy Solar, also Norwegian, offers a lightweight solar system that stands vertically, significantly reducing weight compared to traditional panels.

Active Surfaces from the US is creating ultra-thin, flexible solar sheets that require significantly less material than conventional panels, without sacrificing efficiency. Meanwhile, Omniflow from Portugal combines wind and solar energy to power streetlights that consume 90% less energy than their conventional counterparts. Blue Frontier from the US is revolutionizing air conditioning with a system that independently manages temperature and humidity, while Shayp from Belgium has developed an innovative monitoring solution for water leaks that detects issues in pipelines, often before they become noticeable.

As Amazon continues to invest in sustainability, the 2025 accelerator cohort represents a significant step towards fostering groundbreaking technologies that can contribute to a greener future.