sommerfeld on Nostr: Not sure if this is 🤡🌍 or not 🤔 #[0]

Not sure if this is 🤡🌍 or not 🤔

quoting
nevent1q…mwtv

Why Walking to Work Can Be More Polluting Than Driving to Work (2013)

Comments ( https://news.ycombinator.com/item?id=35153249 )

https://www.econlib.org/library/Columns/y2013/McKenziewalking.html