Earth Hour

Earth hour: Sydney switches off for climate change campaign

Sydney was one of 7000 cities around the world plunged into darkness as lights were switched off for Earth Hour on Saturday night.

Sydney turns off for Earth Hour

Authorities have recorded an estimated 3 per cent drop in energy use in Sydney's central business district during Earth Hour.

Russia to shut off Kremlin lights for Earth Hour

Russia will turn off the lights on the Kremlin for the first time as part of worldwide events for the Earth Hour campaign against climate change, officials said.

Opera House glows green for Earth Hour

The Sydney Opera House has glowed green while much of Australia plunged into darkness as the country united for the Earth Hour campaign on climate change.

Hour of darkness to shed greater light on energy use

PETER HANNAM Convert 60 minutes of near darkness into a permanent shift in household energy use - that's the Australian goal of Earth Hour on Saturday.

One-night stand: more than a billion switch off

Ben Cubby WELL over a billion people turned off their lights for Earth Hour on Saturday night, in 150 nations and territories around the world, making it the largest voluntary event of its kind.

World landmarks dimmed for Earth Hour

Hundreds of landmarks from Berlin's Brandenburg Gate to the Great Wall of China went dark on Saturday night as part of a global effort to highlight climate change.

The Loaded Dog

Do you switch off or power up?

Earth Hour proved a truly explosive topic when we asked readers if they would join in the anti-global warming campaign.

Earth Hour blasts into orbit

Adam Vaughan Earth Hour, the environmentally symbolic annual switch-off of lights for one hour last night, extended into space this year, the International Space Station taking part for the first time. A post-Gaddafi Libya was also a newcomer to the event.

Sisters doing it for us all

Jonathan Swan IN THE bush behind their Castle Hill home, twins Freya and Imogen Wadlow have been poisoning privet, the weed that strangles their gum and wattle trees.

Twins win it for Earth Hour

Jonathan Swan Homes, office blocks and Australian landmarks have gone dark as millions of Australians take part in Earth Hour - a mass symbolic gesture urging action on the environment.

Swap to greener street lights LED by Sydney

BEN CUBBY SYDNEY is about to become the first city in Australia to be lit by energy-saving LED lights, with 6450 bulbs to be replaced in streetlights over coming months.

Energy commission urges public to spark debate about power grid inefficiencies

BEN CUBBY HOUSEHOLDS may get to design their own ''custom-made'' power bills, under a review of electricity networks.

Back to the roots to unearth pure inspiration

Esther Han Last April, Lily Morrissey crammed a small camera, a camcorder and a laptop into her backpack and embarked on a worldwide adventure to document solutions to environmental problems.

One device holds the key - our brain

The more efficiently we harness energy, the more we are inclined to use it. Behavioural change, not technology, is the only way to cut consumption, writes David Owen in his new book The Conundrum.

Key saving strategy bounces back after a pink battering

James Robertson Home insulation, much maligned for its association with the scrapped government stimulus program, has helped propel a startling reduction in household energy use.

Small acts add up to big change

Dermot O'Gorman In just over a week, thousands of cities across the globe will dim their lights at 8.30pm for an hour, joining in the world's largest voluntary environmental action: Earth Hour.

Chewing up costly energy is the price of eternal readiness

Nicky Phillips, TECHNOLOGY Australians spend more than $1 billion a year and use 10 per cent of their electricity consumption keeping appliances asleep.

Winds of change blow, but breaking habits is no breeze

Households have helped drive up the share of power production from renewables in Australia, but it still trails far behind the ambitious plans of other developed countries, writes Ben Cubby.