I’ve often read that plants grow better when exposed to higher concentrations of carbon dioxide. Yet, when the Associated Press mentions the subject, what it says is: Global warming boosts poison ivy. The AP report, as published May 29 by the Boston Globe, begins: Another … Continue reading AP Reports Study Saying Carbon Dioxide Boosts Poison Ivy’s Itchiness, But Skips Study Saying CO2 Lowers Nicotine in Tobacco