46: Energy conservation

to conserve

avoid wasting sth

to switch to sth

change or make sth change from using one thing to using another

-saving

not wasting anything

ecological

relating to environment

consumption

the act of using energy, food or materials

appliance

a machine you use at home

on standby

(of a device) connected to the power supply but is not in use

tumble dryer

a machine that uses hot air to dry clothes

to dispose of sth

get rid of sth that you do not want or cannot keep

landfill (site)

an area of land where large amount of rubbish are buried

toxic

poisonous

better still

even better

to monitor

watch and check sth over a period of time to see how it develops or changes

investment

a thing that is worth buying because it will be useful and helpful

to generate

to produce or create sth