If you live in a northern state like Maine and you think climate change will help by softening our harsh winters, you may want to reevaluate your position.
Across America, research shows that spring is starting an average of 10 to 14 days earlier than it did just 20 years ago. That means states like Maine could become more habitable to plant species that cause allergies and other respiratory problems, according to a new report commissioned by the National Wildlife Federation and the Asthma and Allergy Foundation of America: