Ecological and Social Justice Action Group (ESJAG) from the Cathedral
If you wish to write to your MP or MNA:
Find the member of Parliament in your riding here
For the Love of Creation, a faith-based organization, is offering webinars and a symposium in September.
Check their website here.
Ideas for concrete actions for the care of the planet, see on the Earth Overshoot Day website, 100 days of possibility.
You may also wish to check Mères au front / Mothers Step In FB page for the region of the Laurentians!