How does Walmart, Siemens, NIKE, and the US Navy lower their carbon footprint? We simplify sustainability by matching green roofers with buyers.
CALPAA's web enabled tools take the pain out of going green by simplifying sustainability with green roofs. We lower the carbon footprint by designing the best living roofs on the planet How? Our green roofers mitigate climate change, reduce CO2/ energy usage and conserve water with living plants.