I did not know her personally, and am not well-qualified to comment on her work. However, here are some links:
* Matt Yglesias at Slate.
* An NPR story.
* Chuck Myers of Princeton University Press.
* An interview with Ostrom, via Jonathan Robinson.
* Another interview, via Matt Corley.
* Her June 12 article on the Rio+20 summit, via Dani Rodrik.
* Comments on my earlier post.
Readers are welcome to leave other links or remembrances in comments.