Explore how smart sewers and innovative wastewater collection are closing the sanitation gap in places like Indonesia to protect public health and the environment.

We are moving from a reactive 'fix it when it breaks' mentality to a paradigm shift where wastewater is no longer just waste, but a valuable resource for energy, nutrients, and recycled water.
Wastewater collection








The sanitation gap refers to the staggering 2.6 billion people worldwide who currently lack access to safely managed sanitation services. This issue is a critical public health challenge, as untreated wastewater often flows directly back into the environment. In developing regions, treatment rates can drop below 8%, creating a dangerous situation for rapidly growing urban areas and local ecosystems.
Urban areas across the globe generate approximately 380 billion cubic meters of wastewater every single year. Despite the massive scale of this infrastructure challenge, even developed countries only treat about 58% of their waste. Addressing this volume requires a shift from reactive maintenance to modern, smart sewer technologies that can manage the invisible world of pipes keeping our cities habitable.
Smart sewers represent a move away from old-school, reactive methods where infrastructure is only addressed when it breaks. By pulling back the curtain on wastewater collection, experts are looking at how technology can improve urban infrastructure and sustainable sanitation. These innovations are especially vital for places like Indonesia, where rapid growth demands more efficient and proactive water treatment solutions.
Создано выпускниками Колумбийского университета в Сан-Франциско
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
Создано выпускниками Колумбийского университета в Сан-Франциско
