Aytzim and others offer many environmental tips for how together we can help build a more sustainable world. But each of these actions can have vastly different scales of impact. For example, recycling is good, planting your own garden is good, but neither is nearly as impactful in addressing climate change as much as going solar. So how can you prioritize your environmental actions? In the Talmud, Pirkei Avot, ethics of our ancestors, teaches us that the world rests on three things: Torah, service, and kindness (Pirkei Avot 1:2). While proverbially standing on one foot — Jewish shorthand for quickly providing the basis of a complex subject (Shabbat 31a) — the following are three actions for making a positive environmental difference in the world.