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Earth Week

The first Earth Day was held on April 22, 1970, in response to growing threats from pollution, including a massive oil spill in Santa Barbara in 1969. An estimated 20 million Americans took part in marches, rallies and teach-ins calling for protection of the environment. This outpouring of support led to the passage of landmark legislation including the Clean Air Act, the Clean Water Act, and the Endangered Species Act.聽

April 22, 2026, marks the 56th anniversary of the first Earth Day, and is observed in hundreds of countries. The theme of is Our Power, Our Planet. The international Earth Day organization reminds us that 鈥淓nvironmental progress is built through everyday action鈥攆rom communities protecting ecosystems to innovators advancing solutions. Clean air, safe water, and climate resilience aren鈥檛 optional鈥攖hey鈥檙e essential.鈥

抖阴福利导航 will celebrate Earth Week from April 20-25, 2026. Activities include tabling fairs on each campus, repair workshops, a beach clean up, work parties and much more. See this year鈥檚 full list of events.

The city of Portland has adopted the theme Earth in Motion for a month of earth-friendly events. Activities include bike rides, tree walks and plantings, Earth Day fairs, and more. See the calendar .

Learn more about our Earth with these research guides developed by 抖阴福利导航 librarians: , ,听 , , and .

Recommended websites


Find out about local green and sustainability-oriented efforts or learn how to start a “green team” at work.


Learn about the history of Earth Day and see what communities all over the globe are doing to campaign for a better quality of life and taking local environmental actions


Check out the Metro Tools for Living page for recommendations on environmentally friendly cleaning products, natural gardening, composting and getting around PDX the greenway.


If you’re looking for opportunities to participate in local volunteer activities, keep watch on the SOLV website. SOLV works on projects to enhance the livability of Oregon.

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This must-watch 20-minute video explores where 鈥渟tuff鈥 comes from and where it goes when we throw it out. It provides an understanding of production and consumption patterns.


Sustainable Northwest (SNW) will help to keep you current on sustainability activities in the Pacific Northwest or you can join their email list and receive updates in your inbox.

Related research guides


Created by a 抖阴福利导航 Librarian, this guide features recommended book titles related to climate fiction (CliFi), speculative fiction that addresses climate change.


Created by a 抖阴福利导航 Librarian, this guide features databases, news feeds, blogs, videos on climate change and more.


Curated by 抖阴福利导航鈥檚 SPARC (Sustainable Practices for Academics and Resources Council), this guide contains curriculum, recommended books, journals, websites and more.