America's Call To Improve Opportunities Now for National Service Act or the ACTION for National Service Act This bill (1) converts the Corporation for National and Community Service into the AmeriCorps Administration and revises its membership, leadership, and authority; (2) reauthorizes programs carried out by the administration; (3) establishes a National Service Foundation to accept and administer gifts on behalf of the administration; (4) modifies the calculation of national service educational awards; and (5) otherwise modifies provisions related to national and volunteer service programs. Additionally, the bill creates an interagency Civilian Climate Corps, operated by the administration, to conduct service projects addressing climate change.