The Symposium targeted a wide range of sustainability topics, including clean energy, water efficiency, climate and adaptation, sustainable buildings, greening the supply chain, and more.

WHITEHOUSE: Browse White House visitor logs

The Symposium will target a wide range of sustainability topics, including clean energy, water efficiency, climate and adaptation, sustainable buildings, greening the supply chain, and more.

WHITEHOUSE: Browse White House visitor logs

International agreements, new technologies and improved efficiency are all necessary to preserve the world's water supply, but effective water conservation and protection could require more profound changes.

CNN: flooded field