Lehigh Gap Nature Center

~ a non-profit conservation organization located in Lehigh Gap, PA, at the foot of the Kittatinny Ridge

Delaware & Lehigh Trail

~ a 165-mile pathway that played an integral role in the history of both the region and the United States

TurtleTails.com

~ a place for great pictures of turtles; behind-the-scenes tours with info and unique ideas; adoptions, online help with turtles, and opinions.

Stonehedge Gardens

~ seven acres of beautiful gardens, open free to the public every day, year round

Bowman's Hill Wildflower Preserve

~ a 134-acre Preserve featuring nearly 1000 species of native plants in a naturalistic setting, in New Hope, PA

Hawk Mountain

~ located along the Appalachian Flyway in east-central Pennsylvania, scenic Hawk Mountain Sanctuary offers visitors an outstanding, year-round nature experience with its mountaintop vistas, 8 miles of hiking trails, and thrilling autumnal raptor migration

Eastern Native Tree Society

~ a cyberspace interest group devoted to the celebration of trees and forests of the eastern North America and around the world

NWF

~ create a Certified Backyard Wildlife Habitat

ArborDay.org forums

~ a message board to discuss trees, brought to you by The Nattional Arbor Day Foundation

PA Native Plant Society forums

~ a forum to discuss native plants

The Nature Conservancy

~ volunteer for a work day with The Nature Conservancy in Pennsylvania

Trees Are Good

~ the International Society of Arboriculture's consumer website