Instead of using a screen saver, set your computer to go into sleep mode; that could cut your power consumption by five times!

-TheStar.com/specialsections/earthhour/article/295953---go-green-tips

Switch off your computer before you leave home, work or school. It will cut its electricity use by about one-quarter. Taken over a year, that's about 700 kilowatt hours.

-TheStar.com/specialsections/earthhour/article/295953---go-green-tips

Think twice before buying a new computer! A standard desktop computer with 17-inch CRT monitor requires 2 tonnes of materials, including 240 kg of fossil fuels, 22 kg of chemicals and nearly 1,500 litres of water.

- TheStar.com/specialsections/earthhour/article/295953--go-green-tips

Computers and other electronic waste make up 70 per cent of the lead, cadmium, and mercury in landfills. Instead of pitching your old electronic devices, give them to a non-profit organisation or make sure they’ll be recycled.

-TheStar.com/specialsections/earthhour/article/295953---go-green-tips

Organize an "inorganic market" for your community. It will give your neighbours a chance to pitch their old electronic gadgets and computers without sending them to landfill. Instead, they'll be refurbished, reused or recycled.

-TheStar.com/specialsections/earthhour/article/295953---go-green-tips