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.
Learn how Earth Day became a global environmental event that will include a billion people on April 22. By John Roach, for National Geographic News. PUBLISHED. People at an Earth Day event lift their bicycles in Budapest, Hungary, on April 22, 2012.Photograph by Attila Volgyi, Xinhua/Eyevine/Redux. More than a billion people around the world will celebrate Earth Day on April 22, 2013âthe 43rd anniversary of the annual day of action on the environment.nstead, April 22, 1970, was chosen for the first Earth Day in part because it fell on a Wednesday, the best part of the week to encourage a large turnout for the environmental rallies held across the country, Rogers said.