According to this article Sean Spicer, White House Spokesperson says:
“They haven’t been directed by us to do anything”
The Trump administration has instituted a media blackout at the Environmental Protection Agency and barred staff from awarding any new contracts or grants.
Emails sent to EPA staff since President Donald Trump's inauguration on Friday and reviewed by The Associated Press detailed the specific prohibitions banning press releases, blog updates or posts to the agency's social media accounts.
These seem pretty contradictory. Who is correct?