Leave no traces / Low Impact walking / human waste

You've probably read something about "Low Impact hiking/trekking/bushwalking" or "Leave no traces". Regulars on this forum certainly have, its a topic that has been discussed many times.
If not, you can read about the basic 'leave no traces" principles on the PWS site.
Do you practice any of the concepts when you walk? Use the poll to rate yourself.
Do you think it is important to use toilets? Do you carry human waste out of Alpine environments?
If not, you can read about the basic 'leave no traces" principles on the PWS site.
Do you practice any of the concepts when you walk? Use the poll to rate yourself.
Do you think it is important to use toilets? Do you carry human waste out of Alpine environments?