Katherine Wroth at Grist writes, "The actual $4 billion will be split, with $2.5 billion going toward the construction or retrofit of 75,000 units across the country, and $1.5 billion going toward research and systems reform work. Through its work with state and local governments, Enterprise Green Communities hopes to have an eco-influence on hundreds of thousands more units, and leverage lots of dough. If that's not enough, its leaders are calling for the country's entire affordable housing stock-around 30 million households-to be green by 2020."
