High court pick could help decide fate of Trump's climate policy.

FILE PHOTO: U.S. Supreme Court nominee judge Neil Gorsuch responds to a question as he testifies during the third day of his Senate Judiciary Committee confirmation hearing on Capitol Hill in Washington, U.S. on March 22, 2017. REUTERS/Jim Bourg/File Photo
FILE PHOTO: U.S. Supreme Court nominee judge Neil Gorsuch responds to a question as he testifies during the third day of his Senate Judiciary Committee confirmation hearing on Capitol Hill in Washington, U.S. on March 22, 2017.

REUTERS/Jim Bourg/File Photo