Hello, Earthlings! This is our weekly newsletter on all things environmental, where we highlight trends and solutions that are moving us to a more sustainable world. (Sign up here to get it in your inbox every Thursday.)

This is our last issue of What on Earth? for 2021. Thank you so much for reading the newsletter this year. We’ll be back on Jan. 6. Until then, enjoy a safe and happy holiday.

This week:

How homes could be retrofitted to float during floods Take a look at these zero-waste Christmas trees Quebec entrepreneur donates cherished island after protecting it from city sprawl