International Earth Hour!

MAC Earth Hour will be tomorrow period 5. Please turn off all unnecessary lights and electric devices. Team Green members will go around the school and switch off the lights at the start of the period.
This Earth Hour is important as it is the International Earth Hour on Saturday from 8.30 to 9.30pm so it is the occasion to make a difference globally


Celebrate Earth Hour

 On Saturday 19 March from 8.30 to 9.30pm

Earth Hour belongs to you. Celebrate your commitment to the planet with your friendsfamilycommunity or at work – in your own way. A simple event can be just turning off all non-essential lights from 8.30pm-9:30 pm.

This is our time to #ChangeClimateChange!

Earth Hour savings

Earth_Hour__result_Last Friday Team Green ran an Earth hour during period six in which all unnecessary electronic devices were (supposedly) turned off. This is part of the attempt to hold an earth hour on the last Friday of every month to conserve energy and cut down the schools power use. During this hour the average electricity consumption fell from 4.8 KW to 2.38 KW.

More Earth hours will be held on the last Friday of every month for the rest of the school year in order to raise awareness on the issue of energy use.

Earth Hour results

On Friday 27th March at 2.15pm when the bell announced the end of lunchtime, a group of students went around school and reminded everyone to switch off lights and other electric appliances.

We have been recording the kW consumption with an electricity monitor for a week before and after the event in one block of the college. The blue line is the average consumption during the week, around 3.88 kW.

The green line is the kW consumption during the Earth Hour, averaging 1.50kW.

2015 Earth Hour monitoring

We have calculated that it saves about $20.

We propose to organise Earth Hour once a month, on the last Friday of each month.

The next Earth Hour will be on the 29th May.

Earth Hour at MAC

Earth Hour is a worldwide lights-off event that will happen on Saturday March 28 between 8:30 and 9.30pm.

Here at MAC, we’ll turn off all unnecessary electricity during period 6 on Friday 27th March. We monitored previous Earth Hours at MAC and found that the electricity consumption halved during the period, hence saving about $20.

Participate and be part of a global movement!

Earth Hour 2013

Friday 20th March Period 6, turn off all lights and computers if you can. We will monitor how our energy bill drops with a Cent-o-meter.

žAlso do it at home 8.30pm, Saturday 23rd March.
We can make a difference!

Celebrate Earth Hour !

When: Saturday 27th March, 8.30-9.30pm

Why: To raise awareness of climate change and sustaining our environment for future generations.

How: Turn off all lights and electronic appliances for an hour

Who: We encourage everyone to take part! Here at the college, we will turn off lights during period 6 on Friday 26th, a

Also… Join the group ‘Earth Hour Central Otago 2010’ on Facebook and write something on the wall about what you are doing and then upload photos of yourself/friends/family taking part in this event.

More on

Earth Hour local results

Earth hourCongratulations on your participation

More than half of New Zealand showed their commitment to the future of the planet by taking part in WWF’s Earth Hour™ 2009 according to recent survey results. The survey, by Colmar Brunton, found that 51% of New Zealanders aged over 18 took part in the global WWF initiative by turning off lights and/or non-essential appliances for one hour on Saturday 28 March. 

In Wanaka, Aurora Energy confirmed to Sustainable Wanaka that a 10% reduction in energy was made for the hour. This was helped by 70% of businesses taking part with most bars doing something to reduce their energy during the evening.

Well done everyone!

 Sophie Ward ~ Sustainable Wanaka ~ 9th June 2009