The White House released an action plan to replace lead pipes and lead paint in the U.S. within the next decade. Lead contamination is known to have detrimental effects on the brain and kidneys.
The World Health Organization says that the tiny particles of plastic found everywhere in the environment do not appear to pose any significant risk to human health.
In Ohio, more than 100 people got sick in 2013 and 2014 when municipal drinking water was contaminated with toxins from algae blooms in Lake Erie. The CDC says these are the first known instances.
Fundraising is underway for a new filtration system at an Arizona school for Navajo children with disabilities. Now, the water runs black and smells like rotten eggs, but is technically safe to drink.
The Drinkable Book has water filters in each page. Tear out a page, pour dirty water over it and bacteria will be killed. But is this the best way to clean up the developing world's water supply?