climate denial       
noun [ U ]  disapproving uk/ˈklaɪ.mət dɪˈnaɪ.əl/ us/ˈklaɪ.mət dɪˈnaɪ.əl/ (also climate denialism)
 (否认气候变迁存在或由人为因素造成)气候否认
the argument or belief that climate change is not happening, or is not caused by human activity such as burning fossil fuels
  The right-wing magazine has long been associated with climate denial.
 He said it was time to move on from climate denial and wake up to reality.  他说,是时候从气候否认中走出来,面对现实了。 
 - More examples
 - Some believed that the leaders' climate denial was part of a deliberate policy of keeping people ignorant of it.
 - The biggest polluters are spending billions of dollars to promote climate denial, she writes.
 - Some activists put climate denial "in a similar moral category to Holocaust denial," he claims.
 - There is a link between climate denialism and other conspiracy theories, for example about 9/11 or Covid.