Decent senators won tight races against climate-denier opponents in seven of eight races Grantham's side concentrated on in 2012.

Judge as of the 2012 US elections. Identify the eight 2012 Senate races that Grantham's side (his foundation or the allied climate/environmental groups he refers to) concentrated on, and check the results. True: in 7 of those 8 races, the candidate who accepted climate science won a close race against an opponent who denied or dismissed climate science. Mostly true: the count is off by one (6 or 8 of 8), or one race does not fit the 'tight' or 'denier opponent' description. Mixed: about half won. Mostly false: only a minority won, or the races were mostly not close or not against deniers. False: the record shows a clearly different outcome (for example, 3 or fewer wins).

Set before the research began.

1. E1 A snapshot of the 2012 election, by the numbers - High Country News High Country News · 26 November 2012

   “Seven out of nine U.S. Senate candidates supported by it and other environmental groups won, including Martin Heinrich, D-N.M., and Jon Tester, D-Mont.”

2. E2 A snapshot of the 2012 election, by the numbers - High Country News High Country News · 26 November 2012

   “Seven out of nine U.S. Senate candidates supported by it and other environmental groups won, including Martin Heinrich, D-N.M., and Jon Tester, D-Mont. Democrat Richard Carmona, however, who ran for Senate in Arizona, looked likely to lose at press time.”

3. E3 A snapshot of the 2012 election, by the numbers - High Country News High Country News · 26 November 2012

   “18,764 Number of votes by which Democratic Montana Sen. Jon Tester beat Republican challenger Denny Rehberg”

4. E4 Election Outcome Changes the Climate and Energy Conversation in Congress - Inside Climate News Inside Climate News · 27 November 2012

   “Rep. Dan Benishek, R-Mich., was the only survivor on the League’s target list, which focused on races where the group was most likely to be successful.”

5. E5 Election Outcome Changes the Climate and Energy Conversation in Congress - Inside Climate News Inside Climate News · 27 November 2012

   “The League of Conservation Voters led a campaign that targeted 12 state and national candidates with a history of voting against clean energy and conservation. Eleven of the so-called “dirty dozen,” led by GOP presidential candidate Mitt Romney, were defeated, including Reps. Dan Lungren, R-Calif., and Joe Walsh, R-Ill., and Democratic Rep. Tim Holden of Pennsylvania.”

6. E6 Election Outcome Changes the Climate and Energy Conversation in Congress - Inside Climate News Inside Climate News · 27 November 2012

   “Rep. Dan Benishek, R-Mich., was the only survivor on the League’s target list, which focused on races where the group was most likely to be successful.”

7. E7 Election Outcome Changes the Climate and Energy Conversation in Congress - Inside Climate News Inside Climate News · 27 November 2012

   “The candidates who stood by clean energy were overwhelmingly elected or re-elected. … A lot of the worst of the worst, the people who said the most egregious things and were the biggest allies of oil, lost.”

8. E8 2012 Election Endorsements Environment America · 24 August 2022

   “consulted legislative voting records, candidate surveys and public statements to choose the candidate in each of these races who would work harder for environmental protection and preservation.”

The evidence does not identify the eight Senate races that Grantham's foundation or allied groups concentrated on, so the criteria cannot be applied. E1/E2 report that seven of nine Senate candidates supported by an unnamed group and other environmental groups won, with the Arizona result still pending at press time. That is a different set from the claimed eight and is not linked to Grantham. E5/E6 describe the League of Conservation Voters' target list of 12 state and national candidates, which focused on races where the group was most likely to be successful; they do not say whether those races were close. None of the sources shows the tight-race, denier-opponent record for the specific eight races.