By Laura Barron-Lopez - 03/07/14 11:35 AM EST
Academy Award-winning actor Jared Leto and 13 other young activists, including the grandson of Robert F. Kennedy, are calling on Secretary of State John KerryJohn KerryWhat would a Hillary Clinton presidency look like? 5 reasons Trump's final debate performance sealed his 2016 coffin US pledges to do all it can to fight 'grave threat' of nuclear North Korea MORE to reject the Keystone XL oil pipeline.
After speaking with top State Department officials on Thursday, the activists sent a letter to Kerry, digging deep into the secretary's past when he testified in Congress against the Vietnam War.
"We dare to believe that it’s not just an accident of history that this recommendation falls to you," the letter said.
Among the co-signers was Leto, who won the Best Supporting Actor Oscar a week ago for his performance in "Dallas Buyer's Club."
Other co-signers included Guster guitarist Adam Gardner and Connor Kennedy, who was arrested a last year with his father at an anti-pipeline protest.
Ben Gosthall, leader of the Bold Nebraska campaign against Keystone XL, also joined in signing the request, which made the rounds before the final day the State Department would accept public comments on the $5.4 billion oil-sands pipeline.
Over 1 million comments are being sent to State on Friday, urging Kerry to say no to the pipeline, which will carry crude from oil sands in Alberta to refineries in the Gulf.
Another million will be sent from Keystone advocates. State's national interest review of the pipeline won't wrap up for another 60 days, at which point Kerry will be left to make his recommendation to President Obama.