![Their Cape Cod Home Isn’t Small, but Its Carbon Footprint Is](https://static01.nyt.com/images/2023/12/03/realestate/01small-capecod-slide-CQ5C/01small-capecod-slide-CQ5C-facebookJumbo.jpg)
Their Cape Cod Home Isn’t Small, but Its Carbon Footprint Is
When Michael and Jennifer Monteiro bought a house on Cape Cod, they wanted more than just a vacation home near the beach in Massachusetts: They were determined to own something that reflected cutting-edge sustainability. Since selling the software company he co-founded, Buildium, in 2019, Mr. Monteiro, 51, has used his investment company, Mpactful Ventures, to…