You have read about the mistakes made on easter island. on tikopia, a small island in the solomon islands, the people acted in other ways. when they realized that the pigs they had imported were damaging the environment, they killed them all. they had to have permission from a chief to fish, which prevented overfishing. they also practiced contraception. these actions all indicate that

They sincerely practice sustainability

Explanation:

What does sustainability means in terms of the environment and it resources ?

Sustainability means we practice using the current resources without outstriping them in a way that may affect their ability to recover naturally or in a way that will affect their availability for the future generation.

They looking after the environment at all cost for example making sure that they don't overfish .

They want to protect their environment by not outstriping the resources or damaging the natural state of the environment which may make its vulnerable.

what's this it's not giving you what have to do.

no one should discriminated against because he or she is not from a minority group