Opponents of the Keystone XL and Dakota Access pipelines hold a rally as they protest US President Donald Trump's executive orders advancing their construction, at Lafayette Park next to the White House in Washington, DC, on January 24, 2017. US President Donald Trump signed executive orders Tuesday reviving the construction of two controversial oil pipelines, but said the projects would be subject to renegotiation. / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)

Opponents of the Keystone XL and Dakota Access pipelines hold a rally as they protest US President Donald Trump's executive orders advancing their construction, at Lafayette Park next to the White House in Washington, DC, on January 24, 2017.
US President Donald Trump signed executive orders Tuesday reviving the construction of two controversial oil pipelines, but said the projects would be subject to renegotiation.  / AFP / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)