An article in London's The Guardian reports on a warning by hundreds of scientists last week that a majority of the world's population, including in developed countries like the United States, is reaching a tipping point where easy access to fresh, clean water will no longer be easily available. They cite climate change, pollution and over-use of resources.

During Earth Month, EPA will focus on climate change during a series of environmental Twitter chats. On Monday, April 8 at 2:00 p.m. Eastern, the Twitter chat will focus on the impacts of climate change on water. EPA will also be discussing how EPA's programs focus on adaptation and mitigation by the water sector. To participate, follow twitter.com/EPAlive and use the hashtag #EPAchat.

More information on EPA's Earth Day activities