Politics of Climate Change: Washington's 10 Most Aggressive Leaders on Global Warming

While some Washington political leaders are climate change believers, others are global warming skeptics. However, they are all aggressive in promoting their particular views about the politics of climate change.

Here are Washington's 10 most aggressive leaders on global warming:

1. Al Gore, Democratic former vice president: Gore has long been a crusader against global warming. He was the subject of a 2006 Academy Award winning documentary film, "An Inconvenient Truth," about Gore's campaign to educate citizens about global warming using a comprehensive slide show he estimates he's given more than 1,000 times.

2. Democratic President Barack Obama: "The U.S. faces no greater threat than climate change," Obama said in January in his State of the Union Address, according to CNN. It noted that Obama and Chinese President Xi Jinping in November announced a historic climate change deal through which both countries would curb their greenhouse gas emissions over the next two decades.

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3. Jim Inhofe, Republican Senator from Oklahoma: 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.

4. Mitch McConnell, Republican Senator from Kentucky and Senate Majority Leader: McConnell is among the key architects of his party's stance on environmental issues, reports the Los Angeles Times. McConnell in 2009 pressured Sen. Lindsey Graham, to abandon his willingness to become involved in bipartisan collaboration on climate change, according to Time.

5. John Boehner, Republican Representative from Ohio and Speaker of the House: Boehner joined McConnell in November 2014 in sharply criticizing a new climate deal between the United States and China, pledging Republicans would continue to make blocking Obama's energy policies a priority for the rest of the president's term, reports The Washington Post.

6. Harry Reid, Republican Representative from Nevada and House Minority Leader: According to Politico, Reid contended in May 2014 on the Senate floor that billionaire brothers Charles and David Koch were one of the "main causes" of climate change. Reid accused the Koch brothers of waging war on anything that protects the environment.

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7. Cathy McMorris Rodgers, Republican Representative from Washington: The chair of the House Republican Conference, Rodgers in January 2015 cosponsored the Energy Tax Prevention Act, which would deny EPA authority to limit greenhouse gases, according to Seattlepi.

8. Barbara Boxer, Democratic Senator from California: An avowed environmentalist, Boxer has been among the most passionate members of Congress about the dangers of climate change, reports The Desert Sun. Boxer was chair of the Senate's Environment and Public Works Committee before reluctantly turning that position over in January 2015 to Republican Inhofe.

9. Lisa Murkowski, Republican Senator from Alaska: 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, reports PoliticusUSA.

10. Nancy Pelosi, Democratic Representative from California and House Minority Leader: Pelosi said in September 2014 that a passable climate change bill would be a "top priority" if Democrats gained control of the House, according to The Hill. That failed to happen in the election that took place two months later.

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