3 Rivers 2nd Nature a five-year project that addresses the meaning, form and function of the three rivers and 53 streams of Allegheny County in Western Pennsylvania.

GroundZero Action Network an open network of doers, makers and creative people who collaborate on projects focused on Pittsburgh's urban environment and culture.

Venture Outdoors a non-profit organization dedicated to promoting outdoor recreation and Western Pennsylvania as a great place to live, work and play outdoors.

The Sprout Fund We are proud to be sponsored by the Sprout Fund!

Japanese Knotweed Alliance highlights the problems posed by this invasive weed and promotes its natural control with biological predators.

PCA Alien Plant Working Group overview of Japanese Knotweed.

Cornwall Knotweed Forum

Apple and Knotweed Pie Knotweed recipes by wildman Steve Brill

Japanese Knotweed wine or, how to put a small dent in the spread of an invasive species

Japanese Knotweed bib give your environmentally conscious baby an excuse for spitting up with this cute bib.

Japanese Knotweed Mathmatical Mapping mapping the spread of knotweed with Math!