Earth Day — Planet Earth viewed from space with blue oceans and white clouds

Earth Day

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Published August 19, 2026

Earth Day is a global environmental observance held every April 22nd, first organized in 1970 by U.S. Senator Gaylord Nelson and activist Denis Hayes. Online it's best known for Google's 2015 animal-matching Doodle quiz and the meme parodies that followed.

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Overview

Earth Day is an annual event on April 22nd focused on environmental protection and conservation, coordinated by the Earth Day Network2. The 1970 debut pulled in participants from over 2,000 U.S. universities and 10,000 schools, and the observance later grew into one of the largest secular holidays in the world, with more than a billion people taking part each year3.

The holiday itself predates the web, but Earth Day's clearest crossover into internet culture came from a Google Doodle in 20151. The interactive quiz let users answer questions to be matched with one of twelve animals, including the pangolin, sea otter, honey bee, cuttlefish, and coral3. Google's Doodle program had been running since 1998 and expanded to same-day topical events by 2009, which is why an environmental quiz on April 22nd fit the format so easily1.

Origin & Background

Platform
Real-world event (Google Doodle for viral 2015 spread)
Key People
Gaylord Nelson, Denis Hayes
Date
1970

The first Earth Day was held on April 22nd, 1970, following a proposal by U.S. Senator Gaylord Nelson for a nationwide environmental education day3. A year earlier, in 1969, peace activist John McConnell had pitched a separate March 21st observance tied to the northern hemisphere's first day of spring, but Nelson's April date is the one that stuck3.

Environmental activist Denis Hayes coordinated the debut and pulled millions of participants across American schools and campuses into the first observance3. EarthDay.org, the organization that grew out of the movement, still runs the annual event today2.

How It Spread

By 1990, Hayes took the event to more than 141 countries with an estimated 200 million participants3. That same year an 'Earth Day Special' TV production aired featuring a skit with comedians Dustin Hoffman and Robin Williams3. The 2000 celebration was the first to use the internet as its main organizing tool, with Leonardo DiCaprio hosting the Washington, D.C. event and former Vice President Al Gore giving an eight-minute speech on the environment2.

The meme side of Earth Day picked up on April 22nd, 2015, when Google published its animal-matching quiz Doodle1. Threads about which animal users had been paired with went up on 4chan's /an/ (animals and nature) board that day3. Cheezburger4 highlighted parody versions of the quiz answers reworked with popular internet memes, from Doge to Pepe-style riffs on the twelve animal outcomes.

Urban Dictionary entries poke at the day itself, with user definitions framing Earth Day as an excuse to switch off someone's electricity at the worst possible moment, or as a jab at 'self-proclaimed planet savers'5. That snarky framing is still recycled on social media every April 22nd.

How to Use This Meme

Online riffs typically follow two patterns. The 2015 Google Doodle spawned a template where users post which of the twelve animals they got matched with, often paired with a joke about how the pairing fits (or doesn't fit) their personality3. Separately, sarcastic posts about performative Earth Day rituals, like ceremonially unplugging appliances or biking one day a year, show up around April 22nd in the vein of the older Urban Dictionary jokes5.

Frequently Asked Questions