https://www.geocaching.com/geocache/GC5Q7NQ_ruby-earth-cache-challenge
Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing...
victoria australiarubyearthcachechallenge
https://www.nwf.org/Great-American-Campout/Partners
NWF and Johnson Outdoors invite you to join the Clean Earth Challenge to collect trash and debris while camping. Learn more about how to take part here.
clean earthchallenge
https://www.fis-ski.com/inside-fis/news/2024-25/join-the-mountain-cleanup-challenge-and-celebrate-earth-day-with-fis-and-chall-
As Earth Day 2025 approaches on 22nd April, FIS and Chall invite you to take action for the planet with the Mountain Cleanup Challenge !
celebrate earth daycleanup challengefisjoinmountain
https://dev.to/rebeccapeltz/earth-day-frontend-challenge-4m9i
Description and code sharing for Earth Day Challenge. Tagged with devchallenge, frontendchallenge, css, javascript.
earth daydev communityfrontendchallenge
https://journal.cieleathletics.com/blog/2024/01/23/marathon-earth-challenge/
Jan 23, 2024 - an interview with ben pobjoy, who ran 242 marathons around the world in 2023, earning a guiness book of world record achievement.
earth challengemarathoncielejournal