Eco-News Roundup: Wednesday, August 19

News from our other blogs and across the WWW on health, environment, energy, and wildlife.

Health Timeline: Universal coverage doesn’t just happen. It takes time to work out the kinks.

Minority Opinion: Are there enough Republicans left to filibuster public healthcare?

Four Years Later: Looking back at Katrina, and what hasn’t gotten done.

Astroturf Admissions: More letters (fake) against the Markey-Waxman bill turn up.

Island Eaters: Invasive plants have gobbled up dozens of islands. See which ones here. [BBC]

Sticks and Stones: Social rejection can make you hurt, physically. [LiveScience]