Masson’s Blog - A Citizen’s Guide to Indiana » Kotchen & Grant: Eliminate Daylight Time Nationwide

Essentially, the decreased use of lights during Daylight Time was more than offset by the use of air conditioners late into the evening. The column concludes by suggesting that eliminating daylight time would be consistent with President Obama’s goals of conserving resources, saving money, promoting energy security, and reducing climate change.

Climate Science: Roger Pielke Sr. Research Group News » Is CO2 a Pollutant?

The question is: How does atmospheric carbon dioxide fit into this definition? Carbon dioxide does occur naturally, of course, and is essential to life on Earth, as it is an essential chemical component in the photosynthesis process of plants. This is in contrast with other trace gases in the lower atmosphere such carbon monoxide, ozone, and sulfur dioxide which are have direct health and environmental effects on humans and vegetation. Indeed, when combustion is optimized, less carbon monoxide and more carbon dioxide are produced. There are no positive effects that I am aware of at any level of these pollutants in the lower atmosphere.