Earthshot Prize: Top 15 Finalists, Episode 15

Advanced Thermovoltaic Systems (ATS) offers a simple, safe, and reliable solution to transform industrial waste heat into electricity for use in hard-to-abate industries. This solution has the potential to save gigatonnes of CO2.

Altyn Dala Conservation Initiative has achieved an almost unprecedented feat of saving the Antelope from extinction. This mission has grown into one of the world's largest conservation projects - to restore Kazakhstan's Golden Steppe.

The Amazon Sacred Headwaters Alliance (ASHA) brings together Indigenous nations to protect 86 million acres of forests for its communities and to advocate for a regenerative bioeconomy.

Build Up Nepal is revolutionising house building with a low-carbon and cost-effective alternative to clay-fired bricks. It supports entrepreneurs and helps communities live safely in affordable, resilient homes.

Coast 4C connects investment in coastal agriculture with conservation through regenerative seaweed farming. This approach brings benefits to areas critical to Earthshot's mission: communities, conservation, commerce and climate.

d.light makes life brighter for millions of people by bringing clean and affordable power to rural African communities. It aims to reach one billion people by 2030.

Equatic is rewriting the future of Carbon Removal by working with nature. Their carbon dioxide removal (CDR) technology uses the power of the ocean to lock away harmful CO2, offering a safe, scalable solution to the climate crisis.

Ferment'Up, a product by Green Spot Technologies, uses the "magic of fermentation" to transform commercial food waste into nutritious and healthy alternative ingredients.

GAYO drives behavioural change to help communities clean up waste, create jobs and build infrastructure to support circular waste management across Africa.

HAC is turning words into action, engaging with governments around the world to officially protect 30% of our land and oceans by 2030.

Keep IT Cool (KIC) provides small farmers and fishers with sustainable refrigeration and smart distribution solutions. It helps extend the shelf life of their produce, reduces spoilage, and creates more stable incomes.

MiAlgae is working to end reliance on wild-caught fish as a primary source of Omega-3. It uses its patented fermentation process to grow Omega-3-rich algae. This sustainable alternative gets its nutrients from waste water.

MYCL uses palm oil waste to grow a viable low carbon, sustainable leather alternative and, at the same time incentivises farmers to stop burning their crop waste.

Natural Fiber Welding's remarkable natural-based circular materials replace plastic in anything from cars to clothing while reducing carbon emissions and supporting regenerative farmers.

NatureMetrics turns nature into data. It simplifies collecting and reporting environmental DNA (eDNA) to help commercial and conservation organisations make more informed choices to protect and maintain biodiverse ecosystems.