An increase in stagnant summer air is expected to continue across the U.S.

More than 140,000 people living Massachusetts are especially vulnerable to extreme heat. 

As the planet continues to warm from the increase in greenhouse gases in the atmosphere, the temperatures that we consider to be normal are also rising.

Summers are getting muggier as the dewpoint temperature rises

Currently, Massachusetts rarely experiences days when heat exceeds dangerous levels. However, by 2050, it is projected to see more than 10 danger days a year.

Massachusetts is among the top 10 fastest warming states in the country, based on annual average temperatures since 1970.

In Massachusetts, more than 210,000 people are living in areas at elevated risk of inland flooding.

Climate change causing more nuisance flooding in Massachusetts

Today, Massachusetts has 84,000 people at risk of coastal flooding. By 2050, this number is projected to more than double with an additional 133,000 people projected to be at risk due to sea level rise.

Atlantic hurricane season is seeing more major storms

 10 before-and-after images of iconic locations in major U.S. coastal cities if sea levels rose 25 feet.

Sea level threats down to zip code

Type a coastal place name in Massachusetts and find local projections, maps and potential impacts on people, infrastructure, and much more with our interactive tool.

Massachusetts currently has approximately 50 square miles in the 100-year coastal floodplain. By 2050, this is projected to double to 100 square miles due to sea level rise.

What's Happening in Your Region?


New England is Wicked Dry Right Now With Little Relief In Sight

Boston just had its driest summer on record with precipitation more than 6.5 inches below average. It also had its hottest August on record, which has helped bake in the dryness... More


Climate Change Is Coming For Your Maple Syrup

“In general over New York and New England, the season is now beginning about seven days earlier than it did 40-50 years ago and ending 10 days earlier."... More

North Carolina

Sinking Atlantic Coastline Meets Rapidly Rising Seas

New research using GPS and prehistoric data has shown that nearly the entire coast is affected, from Massachusetts to Florida and parts of Maine... More

New York

Sandy’s Surge Was Extreme. It Could Become Normal

The risk posed by future storms like Sandy is only going to increase due to climate change. The potential for stronger storms and rising seas mean Sandy-level flooding could could occur once every 23 years as opposed to once every 400... More

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