Defamatory statements such as this directed at respected scientists are so commonplace among climate science denialists that they go almost unnoticed.
"Both parties have agreed not to make any defamatory statements about the other," the statement said.
"Mr Jones will have to justify, under oath, in court his defamatory statements," he said.
The Russians operate "troll houses" to pump out online disinformation, making and repeating absurd defamatory statements.
In his letter, Greenblatt accuses Schwartz of making "defamatory statements" about Trump.
Mentions that the Subcommittee itself has recently been criticized for allowing a witness to make defamatory statements in public sessions.
The civil case simply listed the defendants as "Does 1-10", who could be sued for the defamatory statements when their identities were uncovered.
A lawyer for Mr. Brown, Mark Geragos, sharply disputed the allegations, accusing prosecutors of making "scurrilous, libelous and defamatory statements" against his client, The Los Angeles Times reported.
"For an organisation not to adress [sic] the inaccuracies and defamatory statements by a bizzarre [sic] ex-knife salesman is bizzarre [sic].
After she made the accusations in a Philadelphia magazine in November 2014, Cosby's lawyer accused her of making "false and defamatory statements".
Greenblatt orders Schwartz to issue "a written statement retracting your defamatory statements," and asks for written assurances that he will not make other "baseless accusations" about Trump.
