Environment

Nearly two-thirds of electricity in Massachusetts comes from natural gas, a dynamic that environmental groups and clean energy advocates said Tuesday must change soon.

Main Street Bank, Women in Business, Inc., and Southbridge Credit Union are among the six companies announcing recent hires and promotions.

Businesses with direct exposure to mother nature are living in a less certain environment, and planning for the long game is more important than ever.

A Framingham contractor working at Worcester Regional Airport has been fined $167,500 by the state Department of Environmental Protection for wetlands and water-quality violations.

Central Massachusetts leaders said at a renewable energy summit in Oakham Thursday the state should move to a 100-percent renewable energy solution.

Navigating different sets of regulations and state offices poses a challenge to those charged with patient care in Massachusetts, health care experts and officials say.

A Harvard solar company announced Wednesday a solar array on Cuttyhunk Island provided more than half of the island's electricity during its busy summer season.

The nine-state Regional Greenhouse Gas Initiative consortium has settled on a 30 percent reduction in carbon pollution from the region's power plants by 2030.

A state board has approved Exelon's proposed 200-megawatt expansion of its existing Medway facility after more than two years of deliberation.

The company developing an electrical transmission line that could carry hydroelectric power from Quebec into New England is among the submissions for long-term clean energy contracts in Massachusetts.