Wikipedia:Articles for deletion/Greenmuseum.org (2nd nomination)
Sadly, I don't think there are more sources out there. If the founder of the museum had a separate article, I would support merging it to there, but unlike  which requires significant coverage,  only requires  multiple, third-party, independent and reliable sources. In any case, I can see your point about the phrase "''international in scale''", which is stated in  as
— NONE, NONE
Stance: comment
Cited policy: WP:CORPDEPTH||WP:NONPROFIT||WP:NONPROFIT (Wikipedia:Notability)