Earlier this month, the real-estate listing site Zillow ended a subtle social experiment. In 2024, they began to embed climate risk data directly in their property profiles, scoring a home’s future risks from flood, wildfire, wind, heat, and air quality on a 1-to-10 scale.

Say you are looking for a home in your budget for your growing family, and you find the perfect three-bedroom Cape Cod house — but it’s close to a shoreline. Zillow’s property listing might show that it has a nine out of 10 flood risk score. Depending on your personal risk tolerance, that might rule out the house for you.

Including this information seemed like an obvious move for Zillow. Disasters worsened by warming are contributing to multibillion-dollar damages to homes, and the site’s competitors, such as Redfin, a

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