Celebrating World Environment Day

Commemorate the 51st World Environment Day with this curated list of Planetizen articles highlighting research and projects that promote a healthier, more sustainable world.

2 minute read

June 5, 2024, 11:00 AM PDT

By Mary Hammon @marykhammon


Bird's eye view of park with green trees, concrete walkways, and benches on lake or riverfront.

watman / Adobe Stock

It’s World Environment Day, a global celebration that has been held annually on June 5 since 1973. According to its official website, “World Environment Day is a global platform for inspiring positive change. People from more than 150 countries participate in this United Nations international day, which celebrates environmental action and the power of governments, businesses and individuals to create a more sustainable world.” This year the event is being hosted by Saudi Arabia with a focus on land restoration, desertification, and drought resilience.

In honor of this global commemorative date, Planetizen’s editors have pulled together a roundup of recent articles highlighting studies and initiatives in cities and rural communities across the United States aimed at protecting and enhancing environmental and public health.

Here’s a list of recent headlines highlighting inspiring environmental research and projects:


Mary Hammon

Mary is an editor and writer who is passionate about urban planning and the direct impact it has on people's lives and how we experience the world around us. Prior to joining Planetizen as editorial manager in December 2023, she spent eight years as an editor for Planning magazine, the flagship publication of the American Planning Association.

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A car drives through a puddle, making a large splash. Rain pours down.

California plans to bury El Niño’s downpour

If the state plays its cards right, it may be able to store a billion acre-feet of El Niño’s water in aquifers.

October 28, 2026 - Grist

Lake Powell with much of the water evaporated.

Desperate measures: Advocates weigh draining Lake Powell to fill Colorado River

Draining the reservoir could reduce evaporation losses by a couple hundred thousand acre-feet.

October 30, 2026 - Yale Environment 360

People vote in Chicago behind blue privacy screens

Chicago voters approve permanent festival grounds, penalty for vacant property owners

Currently, major summer and fall festivals take over public parks for weeks at a time, drawing criticism from nearby residents

November 5 - Block Club Chicago

Mayor Zohran Mamdani speaks into a microphone. He wears a gray suit.

NYC votes to cut outdoor dining red tape, speed up permitting

New York City also voted to allow the Department of Transportation to begin work on urgent projects before notifying elected officials.

November 5 - The City Reporter

People in Los Angeles going to the polls, following a sign with an "I Voted" design

California appears to reject Prop. 45

The proposition would have expanded the projects that qualify for a streamlined environmental review, effectively paring down the California Environmental Quality Act.

November 5 - Cal Matters

FREE Course: Walkable City 1: Why Walkability?

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Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

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