DETROIT – 2According to Tide’s “Ambition” project, doing your laundry with cold water can help save the planet and maybe save you some money along the way. The company said 90% of the energy used in laundry comes from heating the water and is pushing consumers in North America to do three out of every four loads of laundry with cold water by 2030. POLL: Tide aims to make laundry more environmentally friendly: Cold washing? Metropolitan Detroit Area Hospital Services is the laundry contractor for numerous hospital groups in the region. For them, it’s not just about laundry looking good when it’s dry, they have to get it right because to them, laundry is a matter of health and safety.