Who Knew CO2 Was Vital to Human Health? Scientists — Part One
Dr. Jay Lehr cfact.org CFACT Senior Science Analyst Jay Lehr has authored more than 1,000 magazine and journal articles and 36 books. Jay’s new book A Hitchhikers Journey Through Climate Change written with Teri Ciccone is now available on Kindle and Amazon. In 1904 Christian Bohr, a