Our planet Earth is only a tiny part of the universe, and it is so far the only place where human beings can live.
We always polluted our surroundings. But until now pollution was not such a huge problem. People lived in the countryside and couldn’t produce such amount of pollution that would lead to a dangerous situation on a global scale.
Our planet Earth is only a tiny part of the universe, and it is so far the only place where human beings can live.
We always polluted our surroundings. But until now pollution was not such a huge problem. People lived in the countryside and couldn’t produce such amount of pollution that would lead to a dangerous situation on a global scale.