How can EPA use its role in improving water quality to provide more public access to waterfronts?

WHITEHOUSE: What You Missed: Open For Questions on the America's Great Outdoors Initiative | The White House

The study said improving water quality was key to controlling starfish outbreaks, with increased agricultural run-off such as fertiliser along the reef coast causing algal blooms that starfish larvae feed on.

BBC: Half of Great Barrier Reef coral lost in last 27 years

In this case, we must prevent children from contracting diarrhea by improving drinking water quality, hygiene standards, and childhood nutrition levels.

FORBES: How private distribution companies can help reduce diarrheal disease

Farmers plant a warm-season perennial grass and fallow the field for two years, improving soil quality and water-holding capacity.

FORBES: New Technology Reduces Agricultural Water Consumption

"Generally, Thames water quality has been improving - the fish are returning, " explained Bristol's Dr Nicholas Howden.

BBC: Thames archive reveals long nitrate rise

Improving management of national forests to put more emphasis on recreation, wildlife and water quality and less on logging.

CNN: Clinton Marks Earth Day With Trail Project

Improving water resource management, increasing access to safe drinking water and basic sanitation and promoting hygiene can improve the quality of life of billions of individuals, as well as reduce child mortality, improve maternal health and cut the incidence of waterborne diseases.

UNESCO: MEDIA SERVICES