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Ancient art found in the Amazon forest is 12,500 years old and has pictures of extinct megafauna
(Via @kottke on Twitter)
Some things people think wrongly about cycle lanes.
Urban cycling is good for you and fun but not as well supported by urban planners as we’d like.
What will it take to get net emissions to zero by 2050?
Long read on how the USA includes a lot of territories that we mostly forget about.