Learn. Earn.
Change the world.
Learn about the world around you, earn real rewards for your knowledge, and take meaningful steps toward a more sustainable future.
The Hidden Footprint of Cleaning Clothes
Discover the massive environmental impact of washing and drying your clothes, and learn practical habits to reduce energy use and extend garment life.
In partnership with Hangndry
How it works
Learn something meaningful. Earn something real.
Short, science-backed challenges make sustainability easy to understand, engaging to complete, and rewarding to explore.
Choose your lesson
Explore topics across climate, nature, energy, food, and more. Each lesson takes just 10–30 minutes.
Learn & take the exam
Study science-backed content, then prove what you learned with a short interactive exam.
Earn real rewards
Complete the lesson and earn real valuable rewards, recorded on the blockchain and yours to spend.
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Get rewarded
Real rewards, not points or badges
Pass a course and you earn real, spendable rewards. Every reward is recorded on the blockchain; transparent and yours to keep or cash out.
- Earn up to $1.22 per course completed
- No sign up fee, no expiry, no strings
- Over $386K already paid to our community
Total rewards paid
and counting, across 167.3K members
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Browse by Global Goal
The UN's Sustainable Development Goals are the world's shared to-do list for 2030.
Loved by learners from 141 countries
Join a thriving community
“I am travelling to Indonesia soon. A quick mangrove course got me ready and now I can't wait to see them in real life.”
Amara O.
“The bite-sized lessons fit around my busy schedule. I've finished two learning paths and the rewards actually add up.”
Ben K.
“Clear, science-backed lessons with no greenwashing or sales pitches. This is sustainability education I actually trust.”
Priya S.
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