You are not using a standards compliant browser. Because of this you may notice minor glitches in the rendering of this page. Please upgrade to a compliant browser for optimal viewing:
Firefox Internet Explorer 7 Safari (Mac and PC)
Underwater Meadows Might Serve As Antacid For Acid Seas Marine biologists worry that certain species won't survive the shifts in sea acidity that climate change brings. But research on sea grasses along California's coast suggest marine preserves can help.