You can jog along the roads and countryside picking up litter, and you could also manually plant trees and other native vegetation in areas of sparse plant life to restore the habitat. You can volunteer with various programs dedicated to caring for the wildlife in an area. many of the volunteer programs require physical work to be done.
1.) by being straight forward yet not rude 2.) using clear words in your sentences that arent on the edge of what you mean 3. ) be precise about what you mean