Learn about environmental factors and conditions that affect human health, what is being done nationally and internationally to mitigate those problems, and how you and your family can lower the risks to your health from environmental hazards: Environmental Issues: Air Quality & Air Pollution; Red Tides and Harmful Algae Blooms; Bisphenol-A; How to Have a Healthy Holiday; Focus on Bird Flu; Mobile Phones; Secondhand Smoke; Focus on Food