1. We ought to avoid using single-use products in order to protect the environment.
2. We ought to avoid using single-use products in order to protect the environment.
3. We ought to avoid using single-use products in order to protect the environment.
4. We ought to avoid using single-use products in order to protect the environment.

All of the sentences convey the same meaning, but sentence 1 and 2 have a minor typo ("oder" instead of "order"). Sentence 3 has an extra space before "using" and sentence 4 has an extra space before "using" and "that protect".