CSI is the trusted Pacific Northwest-based non-profit with a mission to catalyze state-of-the-art sustainable infrastructure solutions that help communities of every kind thrive economically, socially and environmentally. ​​ Our powerful proposition: Pivoting to sustainable infrastructure is one of the biggest levers we have to tackle our toughest challenges – from climate change to inequitable prosperity to crippling cultural divisions – and together build a thriving future for communities of every kind.​