optimism | 350 or bust

	Christine on Harper’s House of Cards…
	MoS on Harper’s House of Cards…
	MoS on Canadian Oil Waste Blackens…
	doug350 on Canadian Oil Waste Blackens…
	Christine on Harper’s House of Cards…
	nadinelumley on Harper’s House of Cards…
	Christine on Saturday At The Movies
	jay on Saturday At The Movies
	Christine on Saturday At The Movies
	jay on Saturday At The Movies

A C02 concentration below 350 ppm in the atmosphere is what leading scientists agree is safe for humanity. We’re above 390, and climbing. I’m a mother, an educator, and a former registered nurse, concerned about climate change.