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Over several months, three health and smart home experts monitored air quality in different locations. This is what surprised us.

The Boston Housing Authority is piloting a new type of window-mounted heat pump that's relatively inexpensive and easy to ...

Edward R. Murrow High School's new boiler system cuts emissions while doubling as a hands-on sustainability lesson for students.

Closing vents in unused rooms can strain your system and increase your utility bill.

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was acquired during the planet’s formation.

As the sport-wagon segment heats up, we head north in four AWD wagons—Audi A4 1.8T Quattro, BMW 325xi, Subaru Outback H6-3.0, and Volkswagen Passat GLX 4Motion—to cool off with some winter ...