Like most of us, I’m doing my best to eat better, waste less, and nourish — not deplete — our planet. Having been a relatively conspicuous consumer much of my life, I welcome simple information, presented clearly, and designed to help me put one foot in front of the other on my incremental journey toward more sustainable living. So the other day, I perked up when I scanned an e-mail boasting 50 tips for eco-friendly eating.