UPDATE (Nov 2021) We're in our 3rd year as a New York Community Solar customer and I wanted to share a quick real-world update: On average, our panels save about 325kg of CO 2 per month - enough for one person to fly one-way from New York to Denver, in Economy . Yes, there are definitely some questions 1 here, but I still wanted to do the back-of-the-napkin calculation to see – very approximately – how many months of solar it would take to "earn" one flight. Google flights recently added a CO 2 emissions column to its listings spreadsheet downloaded from our Community Solar account == Original Nov 2019 post: I fly a lot and yet I absolutely care about the environment. I try to stay big picture and know that my decision to live car-free in a big city and not have children puts me well below the national CO 2 average, but still, my flying definitely makes me look for ways I can do more. When we lived in San Francisco, we installed solar panels on our condominium...
