Greta Thunberg has once again mocked President Donald Trump with his own insulting words about her.

Trump on Thursday used Twitter to criticize the 16-year-old after Time magazine named her over him as Person of the Year .

So ridiculous, wrote the president, who has repeatedly called the climate crisis a hoax and whose administration is pursuing an anti-environmental agenda.

Greta must work on her Anger Management problem, then go to a good old fashioned movie with a friend, Trump added. Chill Greta, Chill!

Thunberg responded by changing her bio on Twitter: