Air pollution is the single biggest environmental crisis that we face in this world. One in eight deaths are caused by air pollution. Air pollution is responsible for causing illnesses such as lung cancer, heart diseases and a stroke. It’s also known for causing COPD, which stands for Chronic obstructive pulmonary disease, a lesser known heart condition. Outdoor pollution, which includes things such as vehicular pollution, waste burning, landfill emissions and so on, is known to cause as many as 3 million premature deaths. Watch this video to learn more