The phrase "warming denialists" refers to people who reject or deny the scientific evidence that climate change is happening and caused by human activities.
«Conspiracy theory... oil - and - coal - company global - warming denialist constituency.. (climate-resistance.org)
Yes, that Exxon - Mobil that has so happily (and generously) supported global warming denialists as a path to -LSB-...] (getenergysmartnow.com)
The website you linked to — «The Resilient Earth» — is a purveyor of global warming denialist propaganda, and as is often the case with such sites, is also a purveyor of anti-renewable energy propaganda. (realclimate.org)