Steve, your problem is that have not found the correct PPM for nature to work in perfect harmony so that peace and love can rule the planet. If you are able to find that number and draw up a plan for successful implementation, you too shall receive a Nobel Prize!
It is an Urban Myth promoted by Brother Al! However I have it by “per comm” with my climate experts “Trees” that 1500ppm would be fine by them! Of course they want the region to experience some Green House effects to stabilize the climate.
Real Science 
steve, email me at [removed] — something about allergies and climate change
Steve, your problem is that have not found the correct PPM for nature to work in perfect harmony so that peace and love can rule the planet. If you are able to find that number and draw up a plan for successful implementation, you too shall receive a Nobel Prize!
It is an Urban Myth promoted by Brother Al! However I have it by “per comm” with my climate experts “Trees” that 1500ppm would be fine by them! Of course they want the region to experience some Green House effects to stabilize the climate.