MassChallenge Startups Create Impact


Startups Accelerated


Funding Raised


Revenue Generated


Jobs Created

Our startups

Be inspired. Search our startups.

Catalyst for World Water
Catalyst for World Water

Catalyst for World Water (CWW) is a social enterprise that integrates photocatalysis with filtration to remove bacteria, viruses, protozoa, and organics from contaminated water. Our photocatalytic filter does not require an external power source as it only needs solar energy, and can be used repeatedly without loss of efficiency. By catalyzing safe, sustainable, and cost-effective solutions to the global water crisis, CWW has the potential to save millions of lives around the world.
Catalyst for World Water catalyzes sustainable solutions for the global water crisis by harnessing solar energy for water purification.

Connect with Catalyst for World Water


Sub industry

Water Treatment & Technology

Additional Industries
Public Health


Our mission is to equip bold entrepreneurs to disrupt the status quo and to create meaningful change.