By Adrienne Allen  Your Sunday night supper may be making you sick. Most of us heat our homes and cook our food with natural gas. Natural gas has long been promoted as the “clean” bridge from coal and oil to green energy. This year, a Harvard study on climate and air quality found that fossil fuel-related air pollution, including pollution from natural gas, kills one in five people worldwide. In the United States, natural gas use has increased 400% since the 1950s, with unfortunate health and environmental outcomes.  We often think about air pollution as an outdoor threat—like the wildfire [READ MORE]