Newsom described the bills as the “most consequential housing reform that we’ve seen in modern history in the state of California.” But the legislation has angered some environmental groups and labor unions. Here are the details: Q: What are the politics behind all this?

Newsom said the bills, which he signed Monday night, are the most consequential housing reform in recent California history.

Gov. Gavin Newsom tied the state budget to the passage of policy to lessen environmental review standards to speed up the construction of housing in California.