Back to articles list Articles Cookbook
3 minutes read

Earth Day 2021

Join the fight for the climate. On Earth Day 2021, join hundreds of thousands of people around the world. You might be asking yourself ‘wait, why am I reading about this on the blog?’ Well, because it's important! Let's take care of our planet together, it's our only home!

"As the world returns to normal, we can't go back to business-as-usual"

This is the official slogan of this year's Earth Day. When the pandemic ends, nothing will be the same, both in terms of daily work and travel, but also ways of learning new skills. There will be no turning back from e-learning and online courses. That is why it is worth learning today and developing both professionally and personally. Do you want to learn data analysis or data engineering?

You might ask what has SQL got to do with ecology? It turns out, quite a lot. SQL is a great tool for working with databases, including in the fight for the climate. Here you will find, for example, databases with which you can trace changes in temperatures, CO2 emissions, or the degree of afforestation in specific countries. Datasets can be downloaded in various formats and incorporated into your projects. Find trends and developments that will convince others to work together for the planet. Do you want even more data? Check out our article on Free Online Data Sets.

Do you want more? Join the Global Earth Challenge. Last year, volunteers and scientists around the world counted the bee population. See what results they obtained. Yes, you guessed right, it's all based on databases and analysis!

Earth Day has been celebrated every year since 1970. If you're interested in the history of an organization that has grown from a group of students to a global climate movement, check it out here.

Have you already joined the fight for a better tomorrow? If not, here's a list of 51 ways to restore our Earth. Write what you do in the comments, so that the next generations have a chance for a better future!

From April 22 to 30 you can purchase our Forever plan, which gives you lifetime access to all present and future courses, for as little as $189. Save the World and… your budget. If you want to start small, you can buy lifetime access to a single SQL course for only $25.

We’ve also prepared something for students. As a student, you’ll be able to get our Forever plan for only $99. Just drop us a line from your school email at, and we will send you back a special promo code to apply during the checkout process.

Join us and be part of the solution!
The Team at