Earth Day was April 22, 2024, TaxConnections takes responsibility for the delay in publishing..oops! Professor Annette Nellen at San Jose State University published this post originally on her 21st Century Taxation blog site. She starts the post with this statement: Earth Day started in 1970 and one of the co-founders was Gaylord Nelson, who served as a Learn IRS Site Publications On Tax Credits That Are Not Easy To Find