President-elect Trump's pick to lead the Energy Department Chris Wright walked a fine line Wednesday as he called climate change "a real and global phenomenon" but remained skeptical during his U.S. Senate confirmation hearing.

Chris Wright’s arguments are set to draw scrutiny from Senate Democrats during his confirmation hearing for the Energy Department post.

Wright, the founder of a fracking firm, testified that he would back all forms of low-carbon energy as well as gas, oil and coal.