Currently in Kenya about 8 million people lack hygienic sanitation, particularly where community members don’t have access to clean toilets. In Nairobi, a company is tackling the waste problem:

Fresh life toilets are a hygienic, clean facility and Sanergy are also creating a useable by-product from the waste. “Everyday we collect about 10 tonnes of waste from the community which we take to a central processing facility and convert into valuable by-product; such as pure protein which is very good animal feed used by farmers who have livestock.” – Edith Karimi.
https://www.kbc.co.ke/turning-waste-into-organic-fertiliser/

Social Impact Investing Shows Up in International Social Franchise Programs

Sanergy sought to have a significant social impact by improving sanitation conditions by providing portable toilets that are pre-manufactured, shipped, and installed in residential communities and other venues on a cost-efficient basis. Sanergy’s Fresh Life Toilet (FLT) is made of high-quality materials and easy to keep clean and maintain. More than 1,000 FLTs have been sold.

https://www.franchising.com/articles/social_impact_investing_shows_up_in_international_social_franchise_programs.html

Mukuru locals enjoy better hygiene from fresh life toilets

Born out of a thesis project by three graduates of Massachusetts Institute of Technology –MIT (US-based private research university ranked among world’s top universities), who have been in the country implementing it since 2010, Fresh Life toilet, has seen many slum dwellers enjoy what most would take for granted: a toilet.
https://mobile.nation.co.ke/lifestyle/better-way-to-dispose-waste-for-urban-slums/1950774-4830638-nbq4a3z/index.html

‘Sanergy’ Creates Sustainable Solutions for Sanitation in Kenya

NAIROBI — Despite constitutional acknowledgment of safe water, sanitation and hygiene as a human right, the problem of basic sanitation in Kenya is still severe. In urban slums, which house 8 million Kenyans in densely packed and unstable conditions, the issue is especially concerning — an estimated 80 percent of people lack access to basic sanitation.
https://www.borgenmagazine.com/sanitation-in-kenya/

20 Global Startups That Are Changing The World

Addressing the vital need for clean water in disaster relief situations, DayOne Response has developed one solution called the DayOne Waterbag. This is a 10-litre personal water purification unit that can be transported like a backpack. A closed system, which prevents contamination, it is designed specifically to be distributed after a disaster. It purifies 10 litres of water in 30 minutes, and is reusable so a family of four can have clean drinking water for up to 2 months.
https://www.currencyfair.com/blog/20-startups-changing-the-world/

22 of the Most Fascinating Social Good Startups Changing the World

DayOne Response develops and supplies innovative solutions for disaster relief. One solution is the DayOne Waterbag, which is a lightweight reusable personal water treatment device that provides all the essential functions for water purification. According to co-founder Amy Cagle, DayOne Waterbags have been deployed in over 20 countries, and the company has provided over 7 million liters of clean water in less than a year.
https://thedailybanter.com/2015/06/22-of-the-most-fascinating-social-good-startups-changing-the-world/

The $1 Trillion Market Opportunity: Taking Innovations to the Next Level

By providing a limited amount of public capital through initiatives like the Development Innovation Ventures fund, the LAUNCH open innovation platform and the “Priming the Pump” Global Development Alliance (GDA) with Echoing Green, we can develop a pipeline of investment-ready social enterprises that can then attract private capital and scale.
https://blog.usaid.gov/2014/08/the-1-trillion-market-opportunity-taking-innovations-to-the-next-level/

Sanergy: Converting Waste to Profit

“Going to the bathroom isn’t a popular topic that comes up at the dinner table in the West,” said Auerbach to Forbes. “It’s flush and forget for us. That’s not the case in much of the developing world.” Finding a place to relieve oneself is an open issue in many countries, whether it be in rivers, roadsides or holes in the ground. But while water and sanitation development projects have been implemented in poor countries, few solutions have proven to be effective as the sanitation crisis continues to worsen.
https://www.borgenmagazine.com/sanergy-converting-waste-profit/