[announcer] funding for this documentary was provided in part by the maryland forestry foundation. stewardship is caring. (lilting piano music) ♪ forest her: the next wave of conservation. (piano music continues) ♪ [narrator] mother earth is communicating with her waters and trees. our ecosystem depends on trees to filter water, reduce sedimentation, provide oxygen, and grow food. (trees rustling in the wind) [lydia martin] back in august 2010, we decided to move to southern lancaster county to this property and it's called "hidden valley." the pawpaw groves that we had here were previously cut all the way down. uh, the prior landowner didn't understand what they really had. which was like a treasure trove of this beautiful native tree. it produces a really nice size fruit and then also it's great for wildlife. i spent a lot of time really caring for the land and to restore the ecology that belongs here. i did a lot of uh, journaling and documenting with photos. uh, we counted 76 birds that migrate through this area. uh, thanks to having a pond and a wetland, there's all kinds of t

(upbeat music) [announcer] funding for this documentary was provided in part by the maryland forestry foundation. stewardship is caring. (lilting piano music) ♪ forest her: the next wave of conservation. (piano music continues) ♪ [narrator] mother earth is communicating with her waters and trees. our ecosystem depends on trees to filter water, reduce sedimentation, provide oxygen, and grow food. (trees rustling in the wind)