Built for youth by youth, Change Carbon empowers collective climate action

No matter who you are, we make climate action accessible. Your actions count. Your voice counts. Take small steps for a big change, and the Earth will thank you soon.
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Change Carbon →
Change Climate Change

Greenhouse gases have risen over 50% since 1990, making climate change overwhelming. 📈 However, by focusing on the root of this problem, we can ensure a brighter future for generations to come.
Calculate

Calculate

Find your unique carbon footprint in three questions and compete for the lowest globally or with friends
Reduce

Reduce

Take three climate actions a day and read hundreds of informative youth-written articles
Offset

Offset

Plant real trees and go carbon neutral one task at a time or by Going Golden
Seeds
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Earn seeds and plant trees

Banana peel fertilizer? 🍌 Carpool parties? 🚗 Change Carbon one day at a time. Each morning you’ll meet three engaging tasks to combat climate change, personalized for you and the time of year. Completing one task earns you a seed, while completing all three tasks levels you up on the global or group leaderboards!

Complete a Task → Earn 1 Seed
Submit a Task → Earn 3 Seeds
Write an Article → Earn 25 Seed
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Spend 100 Seeds → Plant 1 Tree

Fast, fun, and impactful ways to make a difference

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Personalized Daily Tasks

Banana peel fertilizer? 🍌 Carpool parties? 🚗 Get three climate action tasks per day!
Global & Group Leaderboards

Global & Group Leaderboards

Level up based on your daily task streak to complete globally and with friend groups.
Hundreds of Articles

Hundreds of Articles

Read youth-written articles providing fresh perspectives on climate change.
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Hear from our climate activists

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Change Carbon makes climate action fun. Sometimes, I get overwhelmed by climate change, but this app helps me take small steps that improve our planet!
Charlie Marple
Fairview High School, Boulder CO
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This is by far my favorite app. I feel more engaged and connected to the world through the leaderboard and all of the articles. Each time I use it I learn something new!
Beckett Nelson-Gardner
East High School, Denver CO
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Change Carbon combines everything that I need to make my lifestyle more sustainable. The carbon footprint calculator is insanely fast and accurate. I love all of the creative daily tasks and the ability to even add new tasks.
Priya Hecox
South High School, Denver CO
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The colorful design and combination of daily tasks have really helped me make a difference. Plus, the competition on the leaderboard challenges me to be more sustainable.
Martin Luther
Product Designer at Uber.INC
Sophia Still
East High School, Denver CO
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As a part of the East High School sustainability club, Change Carbon helps our members take sustainability outside of our lunch meetings. I really appreciate the variety of categories, like the section with local, seasonal foods.
Martin Luther
Product Designer at Uber.INC
Martin Luther
Product Designer at Uber.INC
Rachel Blaine
East High School, Denver CO
Martin Luther
Product Designer at Uber.INC
Martin Luther
Product Designer at Uber.INC
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10,150
+
Trees Planted by Activists
82
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Articles Written by Youth
100
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Daily Tasks Completed
10150+
112+
154+

Preview the latest stories

Natural Environment

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Layla Jurow

Saving Snow

In Colorado, we get a lot of snow and have a lot of opportunities to get out and experience its beauty. However, we aren’t always considering everything that snow does for us and what we need to do to protect it.

Current Events

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Gabriel Nagel

Ukraine & Climate Action

In October of 2021, the United Kingdom rejected Shell's Jackdaw gas field project over concerns of grave environmental threats. In July of 2022, the project was hastily approved. This quick decision change was grounded after Russia’s invasion of Ukraine cut off major fossil fuel supplies to western countries. Sadly, the Ukrainian invasion isn’t the only thing heating up this summer. Europe is grappling with blistering temperatures that have melted roads, shut down schools, and ignited unprecedented wildfires. While it may be easier to calm energy demands in the short term by financing fossil fuel infrastructure, this choice threatens long-term energy security and the fight against climate change.

Current Events

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Caden Fiala

Crypto and Climate Change

Cryptocurrency has received massive popularity in recent years, receiving both praise and scrutiny. Many say that crypto will change the world; others say it’s a scam. Regardless of that, cryptocurrency has had an undeniable impact on the environment. So what exactly is that impact?

Current Events

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Beckett Nelson-Gardner

Turning the Sahara Solar

In a time of crisis and with rising environmental concerns, many people question if we could use the largest desert in the world to solve our energy problems. Despite what many opponents of climate change say, climate change is real. One of the biggest things contributing to climate change is the energy sector, filled with deadly fossil-fueled systems. Along with that, the global electricity system is inequitable: 600 million African people are without access to electricity. So given the fact that the Sahara Desert 3.552 million square miles and appears to be an ideal location for solar panels, why aren’t there any there now?

Suggested Solutions

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Caden Fiala

Coffee Shop Cutlery

Plastic utensils and lids are used extremely often in places like coffee shops, where they are typically used for a short stir or as a top to a drink and are then quickly thrown away. But these utensils are not harmless. Plastic cutlery poses one of the most dangerous threats to birds, turtles, and mammals due to the centuries it takes for plastic to break down. In fact, it is estimated that there are over 5.25 trillion pieces of plastic garbage floating in oceans across the world. It turns out that people’s morning coffee routines are leading to a massive impact on the environment.

Suggested Solutions

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Caden Fiala

Paper vs. Plastic Money

Since the late 1980s, many countries around the world have been switching their traditional cotton paper banknotes to polymer alternatives. Around 60 different countries across the globe at least partially use polymer banknotes, notably Canada, Mexico, the United Kingdom, and China. Polymer money is more durable, dirt resistant, and counterfeit-safe than paper money, and various places such as the bank of the UK have claimed that it’s more environmentally friendly than paper notes. Other sources say that polymer money produces more carbon per note than cotton paper ones. So which is greener? Should we in the United States make the switch?
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Level up your impact and Go Golden

Earn More Seeds

Earn More Seeds

Go carbon neutral or carbon positive with a tax-deductible donation.✨
Create Groups

Create Groups

Compete for the planet and create your own group leaderboard 🥇
Enable Offline Mode

Enable Offline Mode

Stuck in a forest with no internet? 🙊 Turn on offline mode to save tasks & articles.

Still thinking about Earth

Why should I download Change Carbon?

Did you know this app was created by a group of high school students living in Denver, Colorado? Change Carbon is the only climate action app built by youth for youth. Our mission is to combine individual and collective action with our carbon calculator, collection of 100+ articles, and expansive forest page. Your monthly donation directly supports this mission and a brighter future.

What does Go Golden mean?

Reducing your carbon footprint is the first step to reducing your environmental impact. However, it is inevitable to have an impact on the environment. Carbon offsetting is the process of canceling out all your emissions. By planting trees with high CO2 absorption rates, Change Carbon will neutralize your carbon footprint. Go Golden and become carbon neutral today! Plus, you’ll get exclusive access to the Golden theme, making your forest shine. You will gain unique functions like offline sync and group creation. Most impactfully, you’ll help fund the free trees we plant as rewards for completing tasks, writing articles, and submitting tips.

Why should we plant trees?

Trees are the most effective way to absorb carbon dioxide from the atmosphere, thus slowing down climate change. They not only purify the air but also filter the water we drink, provide habitats to over 80% of the world’s terrestrial biodiversity, and supply 1.6 billion jobs. We plant trees through our project partner, Trees for the Future. Unlike traditional tree planting initiatives, our trees are planted in Forest Gardens located in developing regions. Various species, including fruit and nut trees, provide substance to local communities. In fact, at the end of the four-year Forest Garden program, farmers have an average of 58 species of trees, 12 varieties of vegetables, and a 400% increase in their annual income. Heal the planet and its people by carbon offsetting with Change Carbon!

What is your nonprofit status?

Change Carbon is a Light CO2 project. We are a registered 501(c)3, making your subscription and any donations tax-deductible. Our EIN is #84-4891036. Learn more about us at www.lightco2.org!

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Meet the changemaking team

Founder & CEO

Gabriel Nagel

I first learned about the climate crisis in my middle school during a South Platte Water testing project. After seeing the pollution in our waters, I realized it extended into their air, land, and ocean. Climate change impacts you no matter who you are or where you come from or who you are.

Activist

Amelia Fernandez Rodriguez

I first learned about the climate crisis in my middle school during a South Platte Water testing project. After seeing the pollution in our waters, I realized it extended into their air, land, and ocean. Climate change impacts you no matter who you are or where you come from or who you are.

Activist

Caden Fiala

Climate change is the largest problem that currently faces humanity, and we must work toward managing it while we still can. Since I was very young I have been hearing about the worsening of the climate, and I hope to make a difference with Light CO2 and the Change Carbon app.

Activist

Caroline Brown

By being a part of Light CO2, I am making a change in the greatest crises that faces humanity. While completing a few tasks might seem simple, it is through daily action that we can make sustainability a core value of our communities. I hope to continue supporting others in this goal.

Activist

Layla Jurow

I want to live in a world where we don’t have to live in fear of climate change-related disasters. We must protect our environment so that we and future generations will have the chance to enjoy and explore Earth. Change Carbon takes us a step in the right direction.

Activist

Beckett Nelson-Gardner

I love being able to lower my carbon footprint. This app is something permanent that people can use, and we’ve been working hard on getting it to you. So as a person who often works against climate change I hope you can enjoy doing that yourself.

Activist

Maya Kitei

Climate change is growing at a hazardous pace and our futures depend on us taking action. By simply changing small aspects of our daily routines, we can finally create a sustainable future for our generation and the generations to come. The clock is ticking and we have no time to waste!

Stop procrastinating. Act on climate change with Change Carbon.

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