There's a warning about the state of air quality around the globe. The UN panel of scientists is now estimating that gas levels including carbon dioxide, methane and nitrous oxide are now at their highest in 800,000 years. FOX's David Lee Miller reports.
There's a warning about the state of air quality around the globe. The UN panel of scientists is now estimating that gas levels including carbon dioxide, methane and nitrous oxide are now at their highest in 800,000 years. FOX's David Lee Miller repo
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