They are changing habitats, overuse of resources,pollution, invasive species and climate change.

VOA: special.2010.05.25

So in order to, to change the... you know, how we share resources,

所以为了改变这……，我们怎样分配资源，

想要消除不平等 - SpeakingMax英语口语达人

And that if we want a positive earth for future generations, we all need to make commitments to be change agents so that we don't destruct our natural resources."

VOA: special.2010.01.21