Sittenfeld has spent the last two decades studying Boston's "urban heat island effect," a phenomenon where certain neighborhoods become significantly hotter than others due to dense development, asphalt, a lack of green space and historical inequities in city planning.

Boston is facing a heatwave with temperatures potentially breaking records, reaching the 90s today and near 97°F tomorrow.

When the Boston sun cranks up the heat, it’s time to cool things down with our Beat the Heat List! Whether you're splashing through fountains, chilling out in a museum, or catching sea breezes on a boat ride,

As another bout of sweltering heat is set to hit Massachusetts, the MBTA is alerting riders that the extreme heat could cause delays on the commuter rail on Friday.

The cooler, more comfortable first half of the week will soon be behind us as New England ushers in a peak summer scenario of hot, sweltering weather and increasing humidity through Friday that will see heat index values soar.

On a southwest wind, temps snuck up to around 90 yesterday, and today, we’ll head into the mid 90s. The record for the date

The past few days have featured near or slightly cooler than average temperatures. By Thursday, though, the sea breeze will hold off and temperatures are expected rise into the low 90s.

Cities are seeking low-cost ways to ease the heat island effect. Researchers found benefits and trade-offs in two popular options, but they vary by city and even neighborhood.

There are some proven steps that cities can take to help cool the air – planting trees that provide shade and moisture, for example. But do these steps pay off everywhere?

The blast of heat prompted advisories across much of Massachusetts, Rhode Island, Connecticut, and in Southern New Hampshire and Maine.