Politics of Climate Change: 10 Republicans Who Are Outspoken on Climate Change

The politics of climate change have historically seen some Republican Party leaders downplay the possibility and/or threat of global warming.

Here are 10 Republicans who have been outspoken about climate change:

1. Sen. Jim Inhofe, U.S. Senator from Oklahoma since 1994: Inhofe is one of the most outspoken climate change skeptics in the Senate and wrote a book about how climate change is the "greatest hoax ever perpetrated," according to PoliticusUSA.

2. Roger Wicker, U.S. Senator from Mississippi since 2007: Wicker cast the only "no" vote when the Senate voted in 98-1 in January 2015 to approve a resolution stating, "It is the sense of the Senate that climate change is real and not a hoax," says PoliticusUSA.

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3. Lisa Murkowski, U.S. Senator from Alaska since 2002: When the Senate in January 2015 considered amending a bill by adding a statement saying human beings contributed to climate change, that amendment failed after Murkowski spoke against the move, according to PoliticusUSA.

4. Cathy McMorris Rodgers, U.S. Representative from Washington since 2005: In January 2015, the chair of the House Republican Conference, Rodgers cosponsored the Energy Tax Prevention Act, which would deny EPA authority to limit greenhouse gases, according to Seattlepi.com.

5. Lindsey Graham, U.S. Senator from South Carolina since 2003: In 2009, Graham indicated a willingness to become involved in a bipartisan collaboration with Democrats on a bill regarding climate change but then backed away, says the Los Angeles Times.

6. Mitch McConnell, U.S. Senator from Kentucky since 1985: McConnell, the Senate Majority Leader, is among the key architects of his party's stance on environmental issues. According to the LA Times, McConnell in 2009 pressured Graham to abandon his willingness to become involved in bipartisan collaboration on climate change.

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7. Bob Inglis, U.S. representative from South Carolina from 1993 to 1999 and 2005 to 2011: Inglis lost his bid for re-election in 2010 after saying he thought humans were contributing to climate change, reports Frontline. "The most enduring heresy that I committed was saying the climate change is real."

8. Jon Huntsman, Governor of Utah from 2005 to 2009: A former U.S. Ambassador to China, Huntsman was the only 2012 Republican candidate for president who expressed an interest in reducing greenhouse gases, according to The Baltimore Sun. Huntsman didn't make it past the New Hampshire primary in that campaign.

9. Michelle Bachman, U.S. Representative from Minnesota from 2007 to 2015: Bachman, who ran unsuccessfully for the Republican nomination for president in 2012, was listed in 2011 as one of the "Top 10 American Global Warming Deniers," according to EcoSalon. Bachman has described global warming as being "all voodoo, nonsense, hokum, a hoax," reports MPR News.

10. Rick Perry, Governor of Texas from 2000 to 2015: Perry, who ran unsuccessfully for the Republican nomination for president in 2012, was also listed by EcoSalon in 2011 as one of the "Top 10 American Global Warming Deniers." Perry said he harbors major doubts about human contributions to global warming, questioning the motives of scientists who have warned about accelerating climate change and arguing against expensive "anti-carbon programs," reports The Atlantic.

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