Quote:
Originally Posted by Tannaton
With CO and diesel emissions - it's a local thing.
With with CO2 it's not so local - it's damage is as a greenhouse gas - it's the overall quantity in the atmosphere that's the issue, not us breathing it in the streets.
Diesel emissions and Carbon Monoxide can be toxic to humans, especially those that are elderly or already in ill-health. Carbon Dioxide is not, the issue is the link to climate change.
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CO2 is 0.04% of the earth's atmosphere, man's contribution to that 0.04% is 3%, if you think that's changing the climate I have a bridge to sell you.