MedIndia: One in four deaths worldwide are due to environmental factors like air, water and soil pollution, as well as unsafe roads and workplace stress. 'Pollution, chemical exposure, climate change and ultraviolet radiation, as well as access to firearms, unintential injury killed 12.6 million in 2012.' "If countries do not take actions to make environments where people live and work healthy, millions will continue to become ill and die too young," warned WHO chief Margaret Chan in a statement. The report...