Philadelphia rowhouses were once heated with firewood. The only option to keep cool in the summer was to open a window.

PHILADELPHIA (WPVI) -- A city program has helped more than 900 Philadelphia households go solar. The goal is to bring that number to 1,000 by the end of April. Walter Tsou, of Mount Airy, had been ...

This story is part of the WHYY News Climate Desk, bringing you news and solutions for our changing region. From the Poconos to the Jersey Shore to the mouth of the Delaware Bay, what do you want to ...

PHILADELPHIA (WPVI) -- If you've been thinking about getting solar panels, now might be the time to do it. There was a change in the law, so you only have a few months left to take advantage of the ...

“The increasing cost of doing business and growing sustainability trends, like decarbonization and vehicle electrification, are major factors contributing to solar adoption in the business community,” ...

PENNSYLVANIA — Pennsylvania schools could soon trade rising electric bills for rooftop solar, as a new $25 million state ...