Energy-efficient windows can improve comfort and reduce heat loss. Learn how they work, what features matter and when ...

When an older house fails an energy inspection, the report usually blames drafty windows or a tired furnace. The real culprit is more often a web of hidden flaws inside walls, attics, and electrical ...

Energy efficiency is a transformative, low-cost solution that can fast-track access to affordable and secure energy and boost economic growth. Amid soaring power demand, driven in part by air ...

Many governments see energy efficiency as a key decarbonization strategy. In fact, some scenarios assume efficiency can drive approximately 40% of emissions reductions under the Paris climate accord.

For most of the past half century, the arc of energy efficiency bent toward savings. Once Congress passed the nation’s landmark energy-saving law, the Energy Policy and Conservation Act of 1975, ...

Expanding efforts to cut down on energy waste could help the Texas power grid accommodate more data centers without spiking ...

Two-thirds of the world’s energy is wasted. Energy efficiency opens up immense opportunities for growth, energy security, and the environment. Energy efficiency is a key element of the World Bank ...

Mon 19 Jan 7.13pm • Customers of an energy efficiency company that's gone into administration say they're concerned about who ...