Berkeley home seller are now required to make eco-friendly upgrades or pay up before handing over the keys. While other cities encourage green improvements, Berkeley is believed to be the first in the nation to tie mandatory upgrades directly to the sale of a home. Velena Jones explains. Watch her report in the video above. Real Estate Apr 28 Mill Valley luxury estate up for sale in exchange for shares of AI company Anthropic Berkeley May 8 Berkeley renews Flock camera contract, rejects expansion plan UC Berkeley Apr 24 Digital detox: UC Berkeley students ditch phones for in-person connection ...read more read less