About CLER
At CLER, we're redefining clean air. CLER is a deep-tech start-up that is revolutionising global air purification. Our cutting-edge, filter-free purification technology delivers ultra-clean air while requiring no maintenance, consuming less energy, and delivering a much more sustainable solution. Why this matters: 99% of the world’s population breathes air that fails to meet WHO guidelines, causing more than seven million deaths each year.