This research demonstrates that a salt-loving microorganism called Haloferax mediterranei can safely tolerate and even metabolize certain eco-friendly solvents known as deep eutectic solvents (DESs). These solvents are promoted as green alternatives to toxic chemicals, but their safety wasn’t well understood. The study found that this hardy microorganism can use some components of these solvents as food sources, suggesting it could help clean up waste containing these chemicals in an environmentally friendly way.