Here are some resources that may be of interest:
Nature Connection
GIFT – Global Institute of Forest Therapy
PaRx – Nature Prescriptions (B.C. Parks Foundation)
Prescri-Nature (Parks Prescriptions) (Canada)
Conservation
Indigenous led Projects
I believe that any kind of initiative to care for the natural world needs to acknowledge and support initiatives led by Indigenous peoples. Here are a few local / national organizations and initiatives.
Bring the Salmon Home: the Columbia River Salmon Reintegration Initiative
Okanagan Forest Therapy 