Traveling, eating factory-farmed meat, waste generation, etc. etc. etc. I can do better at all these things, but it doesn't matter. It simply doesn't. We need

Traveling, eating factory-farmed meat, waste generation, etc. etc. etc. I can do better at all these things, but it doesn't matter. It simply doesn't. We need systematic solutions. The externalities need to be priced in, and only then will the markets cause people behave sustainably at scale. So I see my actual best contribution as being whatever I can do to push that forward. I spend much of my free time trying to fight the battle of ideas. I fear that's probably as useless as becoming a vegetarian at actually making an impact, but that's where I'm putting my chips.