Answer:
i hope this helps
Step-by-step explanation:
walk or bycicle→→ reducing Co2 emissions
cars produce lots of polution in the air
use computers for notes/communication→→saving forests
paper comes from trees, so by taking notes online you dont use paper
treat sewage water→→conserving freshwater aquifers
lots of chemicals such as pestisides get into our water. Also sewage water gets dumped out in other large body of waters