The energy data from October, November and February indicates that there has been an 7.1% reduction in electricity usage compared to the baseline years - a saving of 46 tonnes of carbon dioxide. The energy saved equates to:

-  keeping a 15Watt energy saving lightbulb on for 650 years

- the energy required to make 2.6 millions cups of tea

- 512 flights from London to Manchester

The latest leaderboard is given below:

If you want to help your the top of the table then sign up as an Eco-Power Ranger by joining the Queen Mary Eco-Power Rangers Facebook group or by emailing us here with your name and the name of your hall.

 The latest number and % of students signed up as Eco-Power Rangers in the different halls is as follows: