Start-ups have gained a worldwide reputation as movers and shakers of climate-friendly policies. Here in the Baltics, with the European Green Deal and Paris Agreement as north stars, a number of Baltic start-ups are harnessing climate impact technologies towards true industry transformation under ClimAccelerator, a global EU-supported programme providing start-ups friendly climate solutions and guidelines. Some of them are wading into yet uncharted waters and, well, raising eye-brows.