A plan to upgrade a cluster of nine unremarkable apartment buildings in Brooklyn typically would not merit a second look. But this isn’t a quick fix; the project, called Casa Pasiva, aims to be a new model for the sustainable transformation of the city’s housing stock.Sleek new skyscrapers that incorporate the latest energy-efficient building materials like mass timber may look impressive, but when it comes to solving the climate crisis in New York, the real challenge lies in the city’s decades-old structures.More than 90 percent of the buildings in New York today will still be standing …
