Former congressman Lee Zeldin confirmed to lead Environmental Protection Agency

Ava Joy Burnett from Scripps News reports from Washington DC about the new leadership at the EPA. Lee Zeldin, a former New York congressman, has been confirmed as the new EPA administrator. The future direction of the agency remains uncertain due to its regulatory authority.

What position did Lee Zeldin hold before being confirmed as the EPA administrator?

What is the significance of the environmental regulations mentioned?