Earth Day

Washington D.C. Protest

A Somber Earth Day Finding

Polling from CBS News/YouGuv shows an inverse relationship between the economy and the environment. A year ago, 56% of respondents rated climate change as an urgent issue. Today's Earth Day finding shows it at 49% as doubts grow about the economy.

April 24, 2022 - CBS News

National Park Service

Earth Day: 1970 and Now

The decade that began with the first Earth Day became a pivotal moment in U.S. environmental awareness and action. The core principles of the environmental decade are now questioned in the highest offices of our land.

April 22, 2020 - Bruce Stiftel

A-Line Map

Earth Day Special: First Electrified Commuter Rail Lines Opens in Over a Century

The new University of Colorado A-Line service opened as scheduled. Free rides were offered Friday and Saturday to thousands of happy children of all ages to enjoy the 23-mile, 37-minute trip from Union Station to Denver International Airport.

April 23, 2016 - The Denver Post

Paris Climate Agreement Signed, but Troubles Loom in the U.S.

On Earth Day, NPR looked at the intersection of the Paris Climate Agreement, which Secretary of State John Kerry signed at the U.N. on Friday, and President Obama's Clean Power Plan which has been given a pause by the Supreme Court.

April 23, 2016 - NPR

Earth at night

7 Newly Discovered Facts About the Earth

The first Earth Day was celebrated on April 22, 1970. Since then we've discovered an incredible amount about the Earth in addition to doing the planet an incredible amount of irrevocable harm.

April 22, 2015 - Vox

To Fend Off Emerging Threats, Evironmental Protections Need a Revamp

The environmental awakening of the 1970s led to landmark federal laws that have helped heal our natural systems. The growing “Rights of Nature” movement seeks to create new protections to respond to emerging ecological threats.

April 22, 2013 - Fast Company Co.Exist

On the 42nd Anniversary of Earth Day, Checking in With Its Founder

Greg Hanscom, senior editor at Grist, speaks with Denis Hayes, who coordinated the first Earth Day in 1970, when he was 25, about the big day, green building, and his prognosis for the planet.

April 22, 2012 - Grist

Making Energy Conservation a Local Prerogative

Coinciding with Earth Day, PBS is airing a series of programs highlighting the ways in which local communities are working to conserve energy in order to save money and save the environment.

April 22, 2012 - PBS

This Earth Day, Make the Connection With Land Use

Patrick L. Phillips, CEO of the Urban Land Institute, uses the occasion of Earth Day to say yes, "how we use land matters."

April 22, 2010 - ULI

Top Books

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Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Hand Drawing Master Plans

This course aims to provide an introduction into Urban Design Sketching focused on how to hand draw master plans using a mix of colored markers.