Assertion: carbon dioxide | /r/HasProperty | pollutant
Facets:
Source sentences:
text: First, PlantsNeedCO2.org claims that there is no scientific evidence that carbon dioxide is a pollutant.
text: When President Barack Obama's EPA ruled in 2009 that CO2 was a pollutant that needed to be regulated under the Clean Air Act, they listed health effects like these as a reason to consider CO2 concentrations dangerous.
text: The new proposal would probably survive a legal battle as well, because it ultimately stems from a 2007 Supreme Court decision requiring the EPA to determine whether carbon dioxide is a pollutant.
text: On April 17, 2009, the agency said that thorough scientific review proved that carbon dioxide, along with several other greenhouse gases, are pollutants that threaten human health; it is taking steps to regulate the gases under the Clean Air Act, a law typically reserved for monitoring traditional pollutants including ozone and sulfur dioxide.