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, ...

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.

UK homeowners are increasingly unsure about best practice when it comes to household cleaning and maintenance.

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 ...

Europe’s 2022 energy shock reduced potential GDP but also pushed firms to invest heavily in energy efficiency, which cushioned about two-thirds of the potential economic damage. The IMF finds that ...