by Rachel Frazin and Brett Samuels - 04/21/21 1:34 PM ET✕President Biden will announce a goal of cutting U.S. emissions in half by the year 2030, a person familiar confirmed to The Hill on Wednesday. The Obama administration had aimed to reduce greenhouse gas emissions by 26 to 28 percent by 2025 when compared to 2005 levels.✕✕× Close Ad…by Rachel Frazin and Brett Samuels - 04/21/21 1:34 PM ET✕President Biden will announce a goal of cutting U.S. emissions in half by the year 2030, a person familiar confirmed to The Hill on Wednesday. The Obama administration had aimed to reduce greenhouse gas emissions by 26 to 28 percent by 2025 when compared to 2005 levels.✕✕× Close AdWW…