The GOP is playing defense. Only two Democratic incumbents are on the list, compared with more than 20 Republican officeholders.

In a new ad, Rep. Kevin Cramer, a North Dakota Republican Senate candidate, takes credit for leading the repeal of the crude oil export ban — a key achievement of his opponent, Sen. Heidi Heitkamp (D).

A little more than a year ago, in the middle of Hurricane Harvey's record-setting rain, the Army Corps of Engineers opened the floodgates at the Addicks and Barker dams on the west side of Houston.

Aides for Alaska Gov. Bill Walker (I) huddled recently with members of a state advisory board recommending a carbon tax to orchestrate positive news coverage around a politically charged event on climate change this week.

Republican Michael Waltz is running for Congress on his military record and because of that — in a roundabout sort of way — his candidacy for a House seat in Florida could be good news for climate hawks.

At a time when Democrats are vying to take back the House, the party is wrestling with an old problem: balancing the interests of fossil fuel workers and progressive climate hawks.

A review of personal finance disclosures found that some politicians rejecting fossil fuel money have investments in coal, oil and natural gas.

Delaware's senior senator, Tom Carper (D), and 10-term Massachusetts Rep. Mike Capuano (D) are both trying to avoid Joe Crowley's fate in primaries this week against progressive challengers.

President Trump's energy and environment chiefs have crisscrossed the country, pitching new regulatory policies and touring energy facilities. They've also given face time to vulnerable Republicans.

Attacks ads, accusations of flip-flopping and counterclaims are flying thick and fast in the Florida race between Republican Gov. Rick Scott and Democratic Sen. Bill Nelson in what looks to be one of the most expensive Senate races in history.

At first glance, the indictment of California Rep. Duncan Hunter (R) and his wife, Margaret, is yet another blow to Republican hopes of holding the House this fall.

Incumbents on Capitol Hill have gotten more money from magnate Joe Craft and his coal company than any one else in the industry, the Center for Responsive Politics found.

Despite its reputation as a reliably red state, Wyoming's governorship has alternated between Republicans and Democrats regularly over the past two decades.

EAGLE RIVER, Alaska — The Alaska governor's race comes at a pivotal time for the Last Frontier. After decades of oil production declines, Alaska is on the brink of a new generation of North Slope oil development.

Republican Patrick Morrisey is using his personal wealth to skirt campaign donation limits, allowing a coal company and interest groups to inject extra cash into his West Virginia Senate bid.

The Sierra Club launched an ad campaign yesterday targeting purple-state Republicans for their climate credentials.

Republican Troy Balderson appears to have won a special election for an open Ohio House seat, but the slim margin of victory gives the GOP scant comfort after a night of primaries from around the country.

In their bid to take control of the House, Democrats are running at least four candidates in the midterm elections who share an unusual connection: experience in the clean and renewable energy business.

Environmentalists are hoping to use Judge Brett Kavanaugh's decisions on the U.S. Court of Appeals for the District of Columbia Circuit to make their case against the high court nominee.

A sizable chunk of Nevada Sen. Dean Heller's campaign contributions in the second quarter of 2018 came from one mining supply and services conglomerate based in Pennsylvania, according to an E&E News review of federal campaign finance records.

One of the biggest questions hanging over Colorado's race for governor is whether the state's powerful oil and gas industry will try to stop the election of Democrat Jared Polis.

In a race where land access issues may be pivotal, Montana's largest landowners are spending big to unseat Democrat Jon Tester.

2018 office seekers, take note: Western voters in five states favor political candidates who prioritize public land access and conservation, according to a new poll from a nonprofit group.

When East Coast voters cast their ballots in the congressional races this fall, there's one sensitive energy issue that may be on their minds: the Trump administration's proposal to allow oil and gas leasing in nearly all the U.S. outer continental shelf.

The president is seeking revenge from Montana Democratic Sen. Jon Tester, who is using the attention to his advantage.

Green groups are pouring more money into House races during this year's midterm elections than they did during the presidential cycle of 2016.

Sen. Dianne Feinstein supports a fracking ban in California, signaling a shift to the left as she fights to fend off a liberal challenger.

TULSA, Okla. — Scott Pruitt is one reason Amanda Douglas is running for Congress.

Facing a fraught re-election campaign, Minnesota Rep. Erik Paulsen (R) rejected President Trump in his first television ad, a rare move for House Republican incumbents.

Her challenger may be able to bring President Trump along on the campaign trail, but North Dakota Democratic Sen. Heidi Heitkamp is planning on winning re-election in her deep-red state the old-fashioned way.

A quiet push in Montana fly-fishing shops and farmers markets to tighten the state's mining rules is about to explode into a potentially multimillion-dollar election-year fight that could affect a high-profile Senate race and offer a road map for other states considering similar restrictions.

An upstart climate hawk's surprise victory Tuesday night over a veteran New York House Democrat could possibly reshape the future of the Democratic Party's climate policies.

Republican leaders worried about midterm turnout are breathing a bit easier today.

After some controversy, President Trump will campaign this week for Rep. Kevin Cramer (R-N.D.), a White House ally on energy issues. But the visit may not make much of a difference.

Billionaire energy executive Harold Hamm's fingerprints — and money — are all over North Dakota Republican Rep. Kevin Cramer's quest for the Senate.

Primary season rolls on with significant contests tomorrow in Colorado, Maryland, New York and elsewhere.

It's doubtful any House candidate challenging an incumbent this fall is more well-versed in conservation issues than Montana Democrat Kathleen Williams.

Closely watched gubernatorial races in Maine and Nevada will be set tomorrow. In both states, environmental activists see opportunities to replace outgoing Republican governors, and conservation and development issues will play in each contest this fall.

California Republicans are sending their mail-in ballots back in greater numbers than Democrats. The GOP wants to use the state's primary system to lock Democrats out of key seats ahead of November.

BILLINGS, Mont. — Democratic Sen. Jon Tester, like many politicos in Big Sky Country, won’t make any predictions about an increasingly bitter and unpredictable GOP Senate primary tomorrow that will decide who challenges him this fall.

After a hiatus from primaries, the campaign cycle revs back up tomorrow night with voting in eight states.

Gubernatorial candidates in four key East Coast primaries are asking the Trump administration to let go of its dreams of drilling for oil and gas off their states' coasts.

Accusations about phony environmentalism and ties to oil interests are roiling the race to replace Rep. Darrell Issa (R-Calif.), less than two weeks out from the state's primary.

GOP lawmakers are looking to boost a California ballot initiative that could help decide the balance of power in Washington, D.C.

WALNUT CREEK, Calif. — The man who wants to unseat one of the Senate's most senior members is campaigning on expanding renewable energy and the social safety net and resistance to the Trump administration.

Florida's governor, who has questioned climate change, is hoping that refugees who might be feeling its effects will help elect him to the Senate.

Republican incumbents in key California House seats targeted by Democrats this fall largely hold a financial edge over their challengers heading into the state's primary next month. But that money advantage doesn't mean they'll keep their jobs.

BOISE, Idaho — The Gem State is a red, one-party state with a strong history of electing conservative, pragmatic leaders. Tomorrow's primary here features an unusually crowded field in the governor's race and an open congressional seat — 10 candidates are on the Republican ballot alone for the two jobs.

The midterms roll on at full speed this week, with primaries tomorrow that span the country. Voters will hit the polls tomorrow in Pennsylvania, Nebraska, Oregon and Idaho (see related story).

In House races where energy and environmental issues may be decisive in this fall's midterms, Democrats are gaining an edge over Republicans, reflecting broader national trends that show the GOP may be on the brink of losing its majority, an E&E analysis shows.

If Don Blankenship wins tomorrow night's West Virginia Republican Senate primary — even with the president urging against it — it will be two days shy of a year since the past coal executive walked out of federal prison in Nevada.

Indiana Republican Reps. Luke Messer and Todd Rokita spent the last year trying to outdo the other's support for President Trump for the chance to unseat vulnerable incumbent Sen. Joe Donnelly (D).

RICHBORO, Pa. — With its historic stone houses and sprawling lawns, this slice of suburban Philadelphia hardly seems as if it would be at the center of the Trump resistance.

The gubernatorial situation for Democrats and their allies in the environmental community can't get much worse, but that could change this fall.

CHARLESTON, W.Va. — Former Massey Energy Co. CEO Don Blankenship is a target of national ire. But here, politicians are careful not to cross him.

Pressure to investigate Exxon Mobil Corp.'s handling of climate change and other environmental issues are heating up the race for California's attorney general.

The first midterm-year election will take place next week in a district that technically no longer exists and will once again test Democratic momentum ahead of November.

Millennial voters are poised to drive the U.S. debate on climate change — and they could have an oversized impact on 10 competitive congressional elections this year, two new studies suggest.

A day after the League of Conservation Voters lectured Republican members of the bipartisan House Climate Solutions Caucus for their tepid records on key green legislative priorities, the group that helped assemble the caucus offered an alternative interpretation.

Now that they've recruited Rep. Kevin Cramer (R) to challenge North Dakota Sen. Heidi Heitkamp, elevating the profile of the race and energizing conservative activists, national Republicans are beginning to strafe the Democratic incumbent.

Pennsylvania will get a new congressional map. That's the one constant in an equation packed with unknown variables.

With Utah Sen. Orrin Hatch retiring, former GOP presidential nominee and Massachusetts Gov. Mitt Romney could find himself in the world's most deliberative body, should he choose to run for Hatch's seat.

When Dr. Nadia Hashimi was a seventh-grader in Ramsey, N.J., she and a friend convinced the local board of education to ban Styrofoam from school cafeterias. It taught her an early lesson in the art of persuasion. Today, Hashimi is still talking about science and trying to make a change — but she's doing it on a much larger political stage. Hashimi, a pediatrician and novelist, is seeking the Democratic nomination in Maryland's 6th District.

Climate change, storms and offshore drilling will be key in a Senate race between Florida Gov. Rick Scott (R) and Sen. Bill Nelson (D).

Observers are keen on seeing whether Alabama Democratic Sen. Doug Jones will moderate his progressive stances to appease conservative voters back home.

With the Republicans fully in control of Washington, D.C., and holding a majority of governorships, the role of Democratic attorneys general has been elevated. Since President Trump took office a year ago, they have consistently been at the vanguard of their party's opposition to the president.

Doug Jones' monumental Alabama Senate win has Capitol Hill abuzz. And consequences abound for the agenda, the makeup of energy and environment committees, and beyond.

Democrat Doug Jones' victory in Alabama will soon bring a new balance of power to the Senate and could determine what party controls the chamber after next year's midterms.

A Sierra Club official last month complained that the bipartisan House Climate Solutions Caucus is a convenient way for Republicans to take political cover, since their leaders have no intention of addressing climate change. Regardless of the motives of the 31 Republicans who have joined the caucus along with 31 Democrats, the political incentives are clear.

The Yucca Mountain nuclear waste site has played a role in Nevada politics for years, but many voters may not care whether candidates support or oppose it.

Green groups are all in when it comes to supporting the Democratic candidates for governor in New Jersey and Virginia this year.

Democrats regaining power may come at the cost of the much-touted Climate Solutions Caucus. Some environmentalists don't seem to mind.

BELLEFONTE, Pa. — A former Fish and Wildlife Service employee is on a quixotic bid for Congress in a vast, crimson-red district of rural western Pennsylvania.

CHARLESTON, W.Va. — A cast of characters wants to represent the heart of West Virginia's coal fields. But much like mining, the outlook for the district is dim.

DUNBAR, W.Va. — The alligator gumbo was cold. The shark bites gone. And the subject, as it often has since the first Critter Dinner in 1974, turned to politics.

BECKLEY, W.Va. — Campaigning against each other for the Democratic presidential nomination in 1960, John F. Kennedy and Minnesota Sen. Hubert Humphrey found themselves stopped at the same traffic light one afternoon in this hilly Appalachian town. They jumped out of their cars and greeted each other warmly.

The Lone Star State faces its largest turnover in 40 years with eight members of its 36-member delegation either opting to retire or run for another office rather than face re-election to the House in November.

The president has been a boon for left-leaning special interest groups, including those fighting for the environment.

IRVINE, Calif. — In a cluster of Southern California races, Democratic challengers with scientific backgrounds and environmental interests are becoming as common as the region's endless traffic jams and sun-kissed beaches.

A former Obama administration Department of Energy official and a combat veteran are two Democrats vying to take on Rep. Mike Coffman (R-Colo.), one of the country's most vulnerable incumbents.

An environmental group announced a $1 million ad drop in four swing House seats that could help decide the chamber's majority party this fall.

New York Gov. Andrew Cuomo won yesterday's hotly contested Democratic primary against former "Sex and the City" actress Cynthia Nixon, but he had to fight for it.

New York Gov. Andrew Cuomo easily won the Democratic nomination last night over progressive challenger Cynthia Nixon.

Green groups are deluging the midterm elections with cash in a record spending campaign.

A record number of candidates are running for office this year on platforms backing 100 percent clean energy by 2050, according to the League of Conservation Voters.

In the final week of primaries before the midterms, New Hampshire voters last night settled on nominees for a key House race.

The campaign arm of the Environmental Defense Fund announced today its support for three House Republicans who are targeted by progressives: Reps. Carlos Curbelo of Florida, Brian Fitzpatrick of Pennsylvania and Elise Stefanik of New York.

After several primary upsets by progressive challengers, the Democratic establishment got a win last night in the form of Sen. Tom Carper.

The League of Conservation Voters has partnered with a Democratic super political action committee to attack Republican Rick Scott in the Florida Senate race against incumbent Democrat Bill Nelson.

Democratic Boston City Council member Ayanna Pressley scored a shocking primary win yesterday against 10-term Massachusetts Rep. Mike Capuano in a Boston-area House race.

Former Sen. Mark Begich (D) yesterday thumbed his nose at critics by announcing he has no intention of dropping out of the Alaska governor's race, despite growing concerns he will split the state's moderate vote with independent Gov. Bill Walker and throw the election to conservative Republican Mike Dunleavy.

The League of Conservation Voters' campaign arm launched a television ad push targeting vulnerable Colorado Rep. Mike Coffman (R).

Two prominent Alaska Democrats are setting up an independent expenditure campaign to help former U.S. Sen. Mark Begich (D) win the state's contentious three-way race for governor.

The conservative advocacy network created by the petrochemical billionaire Koch brothers endorsed eight House Republicans yesterday, including financial and campaign assistance for the "principled conservatives."

Billionaire liberal Tom Steyer and his allies yesterday launched a "multimillion-dollar" effort to turn out voters in a bid to flip seven Republican-held House seats in California.

In a letter to Democratic National Committee chief Tom Perez, environmental groups and progressives urged the organization to walk back a policy change allowing donations from fossil fuel industries.

Senate Environment and Public Works Chairman John Barrasso sailed through his first real primary challenge last night, defeating businessman Dave Dodson 65 to 28 percent in the Wyoming Republican primary.

The West Virginia Coal Association endorsed Republican Senate candidate Patrick Morrisey, breaking with Democrat Joe Manchin for the first time in his long political career.

The League of Conservation Voters plans to spend $15 million through its political action committee supporting Democrats in key midterm House races, according to a memo released by the group.

A group of Alaska Democrats and independents are urging former Sen. Mark Begich (D) to withdraw from the governor's race in November, arguing his candidacy is likely to result in a win for the state's leading Republican candidate, conservative Mike Dunleavy.

Four states held primaries last night. The most closely watched race of the night was the Minnesota gubernatorial contest, where three viable candidates have fought hard in recent weeks for the Democratic nod in what has been a reliably blue state.

Republican Rep. Chris Collins is ditching his re-election bid, potentially giving Democrats a chance to win in his conservative western New York district.

President Obama waded into the midterm elections in a big way yesterday, endorsing 81 candidates in federal, state and even down-ballot contests.

House Republicans in competitive districts are continuing to highlight their green credentials ahead of November's elections.

The political network backed by the petrochemical billionaire Koch brothers will not back Rep. Kevin Cramer, a North Dakota Republican Senate nominee, the strongest sign yet that the conservative advocacy group is willing to break with the Trump White House.

Don Blankenship is down, but he is not out — or so he says.

The Outdoor Industry Association is sticking its boots into politics again — this time through the release today of a scorecard that assigns a letter grade to each member of Congress based on his or her environmental and business record.

ClearPath Action Fund, the right-leaning clean money advocacy group, has endorsed Republican Michigan Rep. Fred Upton in his re-election bid.

California Democratic Party kingmakers threw their endorsement for U.S. Senate to state Sen. Kevin de León (D) over the weekend, dealing incumbent Sen. Dianne Feinstein (D) a blow and marking a trend of progressive victories around the country.

Seeking cash for his Senate bid, Florida Republican Gov. Rick Scott will lunch in Oklahoma City next week with a handful of high-powered energy industry executives.

Conservation Colorado today endorsed Democratic Rep. Jared Polis in his bid to succeed term-limited Gov. John Hickenlooper (D).

Environmentalists will spend nearly $1 million on a new ad campaign tying Montana GOP Senate nominee Matt Rosendale to a pair of Texas billionaires who are also the largest private landowners in Big Sky Country.

A top leadership Democrat lost his primary last night, a blow to the party establishment sure to ripple through the midterm cycle.

A political action committee focused on electing "pro-conservation" candidates today announced its second round of endorsements, backing Democrats competing in 10 contests.

A proposed constitutional amendment to emphasize Nevada's renewable energy sector has enough signatures to make the ballot in November, supporters say.

Conservative clean energy group ClearPath Action Fund is endorsing Florida Republican Rep. Brian Mast's re-election.

ClearPath Action Fund, the conservative clean energy advocacy group, will spend $500,000 backing Nevada Republican Sen. Dean Heller's re-election bid.

Candidates aligned with the president won primaries in Virginia and South Carolina, and voters set races elsewhere where energy, water and land issues will matter.

The Democratic National Committee is moving to ban accepting contributions from fossil fuel companies, E&E News has confirmed.

Colorado Rep. Jared Polis will benefit from a new, large environmental investment in his bid for the Democratic gubernatorial nomination.

Democrats avoided a nightmare scenario in California last night, with party favorites advancing in key House races. Voters also set hotly contested statewide contests.

The road to 2018 for Democrats in their quest to regain the House became a little clearer last night, with primaries in eight states setting the stage for a volatile November.

Over the past few weeks, President Trump has declared unseating Montana Sen. Jon Tester (D) a personal project this fall. Now, after a heated primary, he has a candidate: party favorite State Auditor Matt Rosendale who overcame an insurgent bid from former Judge Russ Fagg.

The United Mine Workers of America endorsed Virginia Democratic Sen. Tim Kaine in his re-election bid.

Democratic leaders publicly laid a new plank of their midterm platform yesterday afternoon, one meant to emphasize the allegations of corruption and corporate influence in the Trump administration.

Worried about being shut out of the general election, the Democratic Congressional Campaign Committee intends to play kingmaker in a high-profile and increasingly fierce primary House race in Southern California, where climate will be an issue in the general election.

Incumbent Pennsylvania Democratic Sen. Bob Casey will face Rep. Lou Barletta, a favorite of President Trump's, who won with 63 percent of the primary vote.

The results of two Republican primaries in highly competitive Senate races — both featuring vulnerable Democratic senators named Joe — have helped calm GOP strategists' nerves.

West Virginia Republican Attorney General Patrick Morrisey will face Democratic Sen. Joe Manchin after emerging from a savage primary to win the party nomination last night.

Republican businessman Mike Braun beat two established House members to win the Indiana Senate primary nomination.

The prosecutor who put Don Blankenship behind bars now leads a group targeting his opponents in the West Virginia Republican Senate primary — a maneuver by national Democrats to win the nomination for the former coal boss.

The Republican who tried to take down Judge Roy Moore in Alabama is now after another outsider candidate unloved by the national party: coal boss Don Blankenship.

Americans remain more divided than ever over the issue of climate change and whether humans are responsible for the warming of the planet — and President Trump may be partly responsible for the gulf in public opinion, according to a newly released Gallup Poll.

"When you sit down to your next meal, first thank God, then thank a farmer."

A top Vermont utility executive is stepping down to run for governor — and if she wins, she'll make history.

A hometown coal tycoon's company seems to have picked sides, but energy interests are mostly holding onto their money ahead of West Virginia's Republican Senate primary.

Tom Steyer will not run for office this year.

West Virginia Sen. Joe Manchin (D) has built a commanding fundraising lead over his Republican challengers a year before what is expected to be one of the closest, most consequential midterm Senate races.

In one of the most-watched and consequential Senate races, oil, gas, coal and nuclear interests have overwhelmingly lined up behind the incumbent.

The road to 2018 for Democrats in their quest to regain the House became a little clearer last night, with primaries in eight states setting the stage for a volatile November.