More than 3.5 million people die prematurely each year from indoor air pollution caused by using solid fuels such as wood and animal dung for cooking and heating. Sixty percent of those who die are women and girls. In households that cook with solid fuel, girls spend up to 18 hours a week, on average, gathering fuel. In all, some three billion people in the world have no access to clean cooking solutions. Some individuals and enterprises are able to see real humans beyond those statistics, and design and successfully implement strategies to meaningfully address those problems. One example is ATEC Biodigesters in Phnom Penh, Cambodia, which has for the past three years helped hundreds of Cambodian households emerge from the health traps in and around their kitchens. An estimated 14,000 Cambodians — mostly women — die every year of smoke-related illnesses, according to Ben Jeffreys, CEO of ATEC Biodigesters.…