Denmark's "sunshine island" is taking its efforts to become carbon neutral beyond wind energy. Experiments with solar technologies are directed towards achieving heating, cooling and electricity generation from a single source of clean energy.
Energy efficiency is the planet’s first fuel. Energy we don’t consume is cheaper, cleaner and more abundant than any other source. Insulating our buildings may seem an obvious way to save energy, but Rockwool Group’s Mirella Vitale warns that without ambitious long-term policy goals, society will fail to reap the full potential of energy efficient buildings
The value of energy-saving improvements at a shopping mall is sufficient to pay back the loan from the contractor that carried out the work and financed it