Delaware Sen. Tom Carper announces not seeking reelection, fourth Democrat to retire this cycle

Delaware Democratic Sen. Tom Carper announced Monday that he is not running for reelection in 2024.

Carper, 76, is chair of the Environment and Public Works Committee and won his first of four Senate terms in 2000.

A contentious Democratic primary is expected in the blue-leaning state with Carper's announcement. Democratic Rep. Lisa Blunt Rochester is expected to jump into the race to succeed him.

Other Senate Democrats who are retiring or choosing to not seek reelection include Sen. Debbie Stabenow (Mich.), Ben Cardin (Md.) and Dianne Feinstein (Calif.).

Carper pledged on Monday to continue his work fighting for clean energy until he leaves the Senate.

Madeleine Hubbard is an international correspondent for Just the News. Follow her on Twitter or Instagram.