If even “an NGO run by environmentalists and funded by the EU” is beyond the pale for you, then there is no such thing as a source which will meet the standard

If even “an NGO run by environmentalists and funded by the EU” is beyond the pale for you, then there is no such thing as a source which will meet the standard of “independence” that you’re applying. Which again, means you’re not discussing in good faith. Good day.