Climate activists angered opera fans at the Metropolitan Opera in New York City, by standing up and screaming during an opening night performance of Tannhäuser, Thursday. Radical climate group Extinction Rebellion, NYC, took credit for the protest on social media, and shared videos of the disruptions. Halfway through the second act of the performance, several protesters stood up and demanded an end to fossil fuels. One man scolded the audience to "wake up" to the "climate emergency," before unfolding a black banner that said, "No opera on a dead planet." "Wake up! The stream is polluted! The stream is tainted!...