Changes

In October 2017, Nye admitted that "It’s completely ineffective! I am a failure!" regarding his attempts to convince people that human-caused climate change is real.<ref>Williams, Thomas D. (October 28, 2017). [https://www.breitbart.com/big-government/2017/10/28/climate-change-crusader-bill-nye-says-i-am-a-failure/ Climate Change Crusader Bill Nye Says, ‘I Am a Failure’]. ''Breitbart News''. Retrieved October 28, 2017.</ref>

In October 2017, Nye admitted that "It’s completely ineffective! I am a failure!" regarding his attempts to convince people that human-caused climate change is real.<ref>Williams, Thomas D. (October 28, 2017). [https://www.breitbart.com/big-government/2017/10/28/climate-change-crusader-bill-nye-says-i-am-a-failure/ Climate Change Crusader Bill Nye Says, ‘I Am a Failure’]. ''Breitbart News''. Retrieved October 28, 2017.</ref>

In 2019, Nye endorsed the [[socialist]] [[Green New Deal]].<ref>Axelrod, Tal (March 9, 2019). [https://thehill.com/blogs/blog-briefing-room/news/433362-bill-nye-comes-out-in-support-of-green-new-deal-ocasio-cortez Bill Nye comes out in support of Green New Deal: Ocasio-Cortez 'gets it']. ''The Hill''. Retrieved March 9, 2019.</ref>

In 2019, Nye endorsed the [[socialist]] [[Green New Deal]].<ref>Axelrod, Tal (March 9, 2019). [https://thehill.com/blogs/blog-briefing-room/news/433362-bill-nye-comes-out-in-support-of-green-new-deal-ocasio-cortez Bill Nye comes out in support of Green New Deal: Ocasio-Cortez 'gets it']. ''The Hill''. Retrieved March 9, 2019.</ref><ref>Hurt, Charles (March 11, 2019). [https://www.breitbart.com/politics/2019/03/11/the-nuclear-option-fake-scientist-bill-nye-joins-real-socialists-to-push-green-new-deal/ The Nuclear Option: Fake Scientist Bill Nye Joins Real Socialists to Push Green New Deal]. ''Breitbart News''. Retrieved March 11, 2019.</ref>

===2017 Tucker Carlson debate===

===2017 Tucker Carlson debate===