Breathing polluted air may do more than harm your lungs — it could also increase your risk of Alzheimer’s disease. In a sweeping study of nearly 28 million older Americans, researchers found that long ...

Plastic waste continues to impact oceans, wildlife, and communities around the world. This short documentary explores the ...

Billions of gallons of sewage have entered San Diego communities through the Tijuana River. Local leaders are speeding up plans to clean up the river and protect public health.

Coral reefs are essential to the health of oceans, the food supply and to protecting the coast from storms. But as climate ...