USC Schedule of Classes

Summer 2025

classes begin
registration begins

Environmental Challenges

Section 51900

  • Session Dates (session code 076)
    First day of classes:
    Wednesday, July 2, 2025
    Last day to add:
    Wednesday, July 9, 2025
    Last day to change to Pass/No Pass:
    Wednesday, July 9, 2025
    Last day to drop without a mark of "W" and receive a refund:
    Wednesday, July 9, 2025
    Last day to withdraw without a “W” on transcript or change pass/no pass to letter grade:
    Thursday, July 17, 2025
    Last day to drop with a mark of "W":
    Wednesday, July 30, 2025
    Last day of classes:
    Wednesday, August 6, 2025
    End of session:
    Tuesday, August 12, 2025


  • Book List Prices and book list are subject to change.
    • Houghton. Global Warming. (Required)
      ISBN: 9781107463790
      New: $57.99
      Used: $43.50
      Rental: $37.69 (New), $23.20 (Used)
    • The Union Of Concerned Scienti. Cooler Smarter. (Required)
      ISBN: 9781610912341
      eBook: $36.99
    • Cq Researcher. Global Environmental Issues (CUSTOM). (Required)
      ISBN: 9781608714131
      New: $90.75
      Used: $68.25
    • Union Of Concerned Scientists. Cooler Smarter (Uncorrected Proof). (Required)
      ISBN: 9781610911924
      New: $21.95
      Used: $16.50
      Rental: $16.46 (New), $8.78 (Used)
    Purchase from USC Bookstore
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