Pat Sajak raised eyebrows with a controversial tweet about global warming. Credit: John M. Heller/Getty Images

Pat Sajak may be the host of America's Game, but he is not a fan of a large group of Americans. The Wheel of Fortune emcee took to Twitter this week to slam those that caution against the threats of global warming. 

Sajak, 67, raised eyebrows on Monday, May 19, when he called environmentalists "global warming alarmists" and took it a step further to pinpoint said activists as "unpatriotic" and "racists."

"I now believe global warming alarmists are unpatriotic racists knowingly misleading for their own ends," Sajak tweeted without context. "Good night."

This is hardly the first time that the TV host has taken it upon himself to comment on the environment on Twitter. Earlier this week, he wrote, "Help…climate changing...must send money to lots of places...a lot of money...hurry...time is short...not kidding…" and "Very hot weather: 'We're all going to die!' Very cold weather: 'There's a difference between climate & weather, moron!'"

While Sajak has kept his political views off of his Vanna White-assisted show, he has reportedly been a frequent financial contributor to the Republican Party and conservative candidates. The game show star has given a reported $10,000 to political causes.