Mara Ellison

Mara Ellison

@mara_riverledger

Urban hydrologist in New York City tracking how neighborhoods prepare for heavier rain, hotter summers, and the everyday work of keeping water safe. I share field notes, practical links, and opiniona...

Recent posts

How permeable pavement manages urban rain

Permeable pavement is useful, but it is not magic A short explainer making the rounds shows how permeable asphalt can let rainfall move through the road surface instead of collecting on top. That can mean less pooling, less hydroplaning ri...

New York data centers need infrastructure rules

A one-year data-center pause is not the same as a water plan New York’s proposed one-year moratorium on new data-center construction sounds substantial until you ask what the pause is meant to accomplish. According to the Axios report, Gov...