As an energy crisis looms, nimble young activists are using superhero-like moves to switch off ... cities switching off wasteful shop signs at night, in a bid to fight light pollution and save ...

Turning off the lights and other electric appliances when you aren't using them is one of the most basic steps you can take ...

With the theme “Switch Off and Secure Water for All,” this ... These include switching off non-essential lights and appliances when not in use, using energy-efficient technologies such as LED bulbs ...