Hey-ho! There are certainly more reasons to live in harmony with nature than the five title ones. We present those that also benefit ourselves - our health and, especially important these days, our pockets. We will already traditionally tell ourselves about packaging (and its ecological versions), saving water or electricity. Unfortunately, it's often the case that while doing even the most mundane things, we won't think about the fact that a small adjustment in our habits can save us a significant amount of money (in the long run, of course), and in the process we'll begin to have a positive impact on our environment....