Endanger (verb)

1. To put in danger or at risk.
2. To threaten the survival or well-being of.

Origin:

From en- ("in") + danger.

Examples:

1. The species is endangered by hunting.
2. His reckless driving endangered the lives of others.
3. The construction of the dam endangers the ecosystem.
4. The pollution endangers the health of the citizens.
5. The company's actions endanger the environment.