Environment

Environmentalists are calling on Massachusetts officials to accelerate their efforts to reduce greenhouse gas emissions, urging policymakers to set new long-term targets and focus on the transportation sector and "solar-ready" new homes.

The residential solar company Sunrun, based in San Francisco, has announced that it will open a new branch office in Marlborough, bringing more than 100 jobs to the area.

Devens-based AMSC more than doubled revenue in the first quarter of fiscal year 2015, while cutting losses and expanding cash reserves, the company announced Wednesday.

Looking to wash away a decades old stigma, Energy and Environmental Affairs Secretary Matthew Beaton front-flipped into the Charles River on Tuesday afternoon, reminiscent of former Gov. William Weld's plunge into the river.

Environmentalists are questioning the findings of a study funded by a Kinder Morgan subsidiary that found jobs and energy savings would accrue from a pipeline the company hopes to build.

Devens-based AMSC Thursday announced it would offer 4 million in common stock in an underwritten public offering.

After a summit of the five New England governors on Thursday in Hartford, they all agreed to further collaborate on the region's energy issues but did not commit to any infrastructure projects or policy changes.

With one Midwestern hospital now operating off the grid, energy independence appears within reach for hospitals. Find out about the local push for renewables in our April 13 print article.

In recent years, health care providers throughout Massachusetts have been forced to become fiscally creative as they...

Massachusetts' use of solar power has been on a tear over the past few years. In 2007, developers, businesses and homeowners had installed less than 2 megawatts of photovoltaic capacity. But that doubled the next year, then the next, and the next.