miriam_e: from my drawing MoonGirl (Default)
[personal profile] miriam_e
Almost every technology we have relies upon fossil fuels. We need to work out ways to break that chain of dependency. I don't count using oil to make plastics as an example of a bad thing, but I do see the use of oil as fuel to run the processes in making that plastic as bad. Plastics are amazing materials that we should value more. Correctly used they are light, flexible, resilient, non-toxic, and can last thousands of years, potentially being handed down to our descendants. Using them for disposable items is obscene.

We could use solar furnaces instead of oil and coal for almost all industrial processes that currently require fossil fuels, but it does require effort. And it would help to have a government which is not corrupt and whose heads are not buried in the sand.

The most important change is to design our buildings properly. We've been building them badly for thousands of years and it feels like we've learned almost nothing over that time. They are our biggest standing consumer of energy -- much worse than transport. We need to insulate and light them sensibly so that they need as little additional heating, cooling, lighting, and shading as possible. It is actually easy to do.
● Clerestory lighting and skylights, and ponds or other reflective surfaces oriented correctly outside windows can greatly reduce the need for artificial lighting.
● Insulation and passive convection heating and cooling, can vastly reduce energy needs, especially if a sunroom is used to gather heat in cold climates, and appropriately calculated roof eaves ensure light is admitted in winter, but not summer. Strategic placement of deciduous trees can also help in this respect.
● Building underground, if designed with sensible lighting and heating/cooling can bring great improvements to many aspects of homes and commercial buildings:
- better thermally insulated
- greater thermal mass (so they change temperature slowly)
- much better sound insulation (play the drums without upsetting the neighbors)
- double use of your land (you can still use the land on the "roof")
- safety from bushfires, earthquakes, hurricanes, tornadoes, and if designed right, even floods
- better protection from thieves and other hostile invaders

Any other thoughts?
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miriam_e: from my drawing MoonGirl (Default)
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