Here are some noteworthy links folks are Digging today:

Wired: "Climate Change Could Choke Oceans for 100,000 Years"

— A failure by humans to dramatically curb greenhouse gas emissions could suffocate the world's oceans for 100 millennia, according to scientists' simulation of planetary warming trends. This complements news from NOAA that bleakly predicts it's already too late to stop sea levels from rising for the next 1,000 years.

• TreeHugger: "First Time Ever: Renewable Energy Accounts for Largest Share of Annual Increase in US Electrical Capacity"

— While renewable energy still only makes up 2.5 percent of total U.S. electrical capacity, it's gaining on stalwarts like coal. So says the DOE, which reveals in a recent report that renewable energy sources accounted for the largest share in the increase of U.S. electrical capacity in 2007, the first time that's been the case.

The New York Times [image]: "Manhattan: Then and Now"

— This composite image is the work of ecologist Eric Sanderson, whose upcoming book looks at pre-European Manhattan — aka "Mannahatta," or "island of many hills." Sanderson says the rolling, undeveloped Mannahatta forests had more ecological diversity than Yellowstone, and that if the island existed today as it did in 1609, "[i]t would be the crowning glory of American national parks." (See the full NYT story here.)

• The Nature Conservancy: "Super Sucker Vacuums Alien Algae from Coral Reefs"

— Invasive marine algae were brought to Hawaii for aquaculture research 30 years ago, but they've since spread and are now devastating the area's coral reefs by forming thick, tangled mats that choke out the coral as well as native algae. Enter the University of Hawaii's "Super Sucker," an underwater vacuum that can remove up to 800 pounds of algae per hour.

• eHow: "How to Incorporate Herbs into Your Landscape"

— An eHow member describes ways to employ botanical seasonings in your yard as a ground cover, accent, filler, hedge and crop. 

Russell McLendon