Trump Mocks <br />Greta Thunberg on Twitter The U.S. president appeared to mock the environmental activist after <br />her speech at the U.N. President Donald Trump, <br />via Twitter The president is well-known for going after critics on Twitter. Trump also shared a video of Thunberg's address in which she bashed world leaders for <br />inaction on climate change. Greta Thunberg, via U.N. Trump's name was not specifically dropped <br />in the 16-year-old Swedish native's speech. She has appeared to respond <br />with a new Twitter bio <br />referencing his tweet. Greta Thunberg, via Twitter
