The linked article mentions the Heritage Foundation’s dismal track record when it has weighed in on past environmental issues, its dismal track record dates back to Tobacco Health Risk Denialism and is ongoing, today and into the future, with Fair Election Denialism.
Concisely, Denialism. is a cancer, injected into America’s political discord, since the formation of the likes of the Heritage Foundation in February 1973, in accordance with, Powell Memo (1971}: Blueprint for corporate domination of American Democracy.
The Heritage Foundation published a previous 1,100-page"Mandate for Leadership,” in 1980 for Reagan’s transition team. 
Project 2025/Agenda 47 is not a new-fangled flash-in-the-pan assault on Democracy, it is act II, four to Five decades in the making!