Jack Barrett-Lennard's Page

In 2020, I hope to still be celebrating my christmas holidays by the beach as I have done for the last 20 odd years. The very hot summer days during this time means power consumption in the city is at its very peak. Most houses have at least one, and often more than one air conditioner in operation. There should be a way that we could capture the heat of the day to power our air conditioners inside the home. On the roof we should see a system where possibly there is a solar panel which is used… Continue

One thing that practically every business is using these days is computers. Especially in the big cities where many office workers spend their days inside an office tower in front of a computer. These office blocks are huge consumers of power. From the computers, to the printers, phone lines, lights, coffee machines all the way down to the beer fridges huge amounts of power is being consumed by administrative businesses that give very little back in the way of power generation. If we could…

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http://www.sustainableenergy.com.au/

This website is dedicated to sustainable energy ideas in Australia. One of the biggest sustainable energy projects near where I live in Western Australia is wind-farms. On a holiday island off perth called rottnest, they have now put up a wind-turbine to power the island. Along with this they have put a water catchment area to get as much water stored on the island as this is a huge problem…

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There appears to be two sides to food security - physical and economic. In the local Grahamstown community where I currently am staying, i think the economic side of food security is more of a struggle than the food actually existing. Here there is plenty of good quality food in the shops and lots of variety for what you can buy.,The main problem people face though is not having enough money to buy the goods. This is in contrast to Zimbabwe, where in late 2008 before the country was dollarised… Continue