Denver-based oil executive Chris Wright could be the nation's next Energy Department secretary, President-elect Donald Trump announced on Saturday.

Trump is expected to make Matt Gaetz his attorney general and Marco Rubio his secretary of state, and place Tulsi Gabbard, Kristi Noem and Stephen Miller in key posts.

Chris Wright, a Denver energy company executive who denies that climate change is a pressing threat, is President-elect Trump's pick to lead the U.S. Department of Energy. Why it matters: The appointment puts Wright,