Humboldt County ... Arcata is located in Humboldt County. The county had a population of 134,623 people at the 2010 Census. With it's population of 17,231 people, Arcata represented 12.8% of the county's total.
Here's a chart that shows what day Earth Day is celebrated from 2014 - 2021. Earth Day is celebrated around the world on April 22. Some cities start celebrating a week in advance, ending the recognition of Earth Week on April 22nd. Others host month long events to stress the importance of teaching about our environment. The United Nations celebrates Earth Day each year on the March equinox, which is often March 20, a tradition which was founded by peace activist John McConnell in 1969.
No matter how you ask the question When is Earth Day is here to help bring you the answer and Countdown to Earth Day 2017 with you. Earth Day 2017 will fall on April 22nd 2017 - Now you know exactly when Earth Day in 2017. Earth Day was first celebrated way back in 1970 and today Earth Day is currently celebrated by more than 192 countries annually. Yes today Earth Day is an annual event that is celebrated on a fixed day which is April 22nd.