Artificial Intelligence uses too much energy. Developers need to find better ways to power it or risk adding to the climate ...

Heat pumps are an energy-efficient alternative to furnaces, which are frequently powered by natural gas, a fossil fuel. Heat pumps can replace air conditioners and even hot water heaters.

Friday’s ruling by the state Department of Public Utilities also ordered a $500 million cut to the Mass Save energy-efficiency program that is expected to lower residential gas and electric ...

“The dozens of awards I’m announcing today will help lower ... and rural businesses to invest in clean energy systems and make energy efficiency improvements,” said USDA Rural Development ...