句子没有问题。

more people being in the path of Mother Nature's great anger —— 是“动名词复合结构”。或者叫做“含有逻辑主语的动名词短语”，more people 为逻辑主语，being in the path of Mother Nature's great anger 是动名词短语，作介词 in 的宾语。

Increases in population result in more people being in the path of Mother Nature's great anger.

【翻译】人口的增长导致更多的人让大自然愤怒不已。（意味着：有更多的人破坏大自然）