Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Identify the best sentence that can be used to conclude the given article.

### Input:
Humans have become the most powerful species on earth, capable of irreversibly changing their environment with consequences that will be felt far into the future.

### Response:
It is clear that the actions of humans now will determine the future of the planet, so it is essential that we take a responsible attitude towards how we affect the environment.