This suggests that the pressure to adhere to gender norms specifically discourages men from engaging with environmental issues

colonizer conditioning aka cishetero binary, does indeed require a disconnection from the land and the role of a steward, while also emphasizing the need to be a lord of the land (at least to aspire to be one, or work under one while respecting the title in case you become one)

Describing climate action in terms of protection, courage, or duty might make the issue more palatable to men with high masculinity concerns

yes, framed under the problem of capital so that the strong cisman landlord can rescue his property

The current data indicates that for many men, the desire to be seen as a “real man” conflicts with the desire to save the planet.

The sample size was described as 400 people or so three times, once in America once in Europe and then again in America. It would be much more interesting to me if you could target specific demographics to see how they felt from across the world. And if this feeling was correlated with the desire to conform to bourgeoisie ideals.

Yes, I do think it is very telling in the sense that to aspiring to be "proper cis man" and to blend in with "white" society, this is what you must do.