A year ago today—on Earth Day 2024—I published my first Dev.to post. Inspired by a mentor who encouraged me to blend my passions for tech and sustainability, I wrote 5 Ways to Celebrate Earth Day as a Developer. That post unexpectedly took off, landing in the Top 7 of the week and reaching hundreds of readers in just a few days. So this year, I thought—why not make this a tradition? For Earth Day 2025, I wanted to offer developers another way to flex their skills for the planet. And what better way than with a tool we all know and love: APIs. Below are 5+ APIs you can use to build greener applications, understand your digital footprint, or simply explore sustainability data. Whether you’re building something new or improving an existing project, these APIs can help align your work with environmental impact.

Apr 22, 2025 - 23:27
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A year ago today—on Earth Day 2024—I published my first Dev.to post. Inspired by a mentor who encouraged me to blend my passions for tech and sustainability, I wrote 5 Ways to Celebrate Earth Day as a Developer. That post unexpectedly took off, landing in the Top 7 of the week and reaching hundreds of readers in just a few days.

So this year, I thought—why not make this a tradition?

For Earth Day 2025, I wanted to offer developers another way to flex their skills for the planet. And what better way than with a tool we all know and love: APIs.

Below are 5+ APIs you can use to build greener applications, understand your digital footprint, or simply explore sustainability data. Whether you’re building something new or improving an existing project, these APIs can help align your work with environmental impact.