This document contains environment-dependent characters.

The United Nations Environment Programme is providing solutions to global environmental problems.

We are planning to visit the nature reserve this weekend.

The photoelectric effect is a phenomenon where a material emits electrons after absorbing light.

We need to evaluate the cost-effectiveness of this project.

We need to evaluate the cost-effectiveness of this project.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.