sustainability

The emission of greenhouse gases has been the heart of the matter in environmental discourse throughout its growth and development. For as long as the science has told us that the levels of greenhouse gases in the earth atmosphere are damaging the planet, political attempts to reach agreement on a reduction of emissions have been ongoing.

In this month’s Comment Visions we travel to Norway to talk to a man whose career has involved studying the changing nature of our planet. Dr Pal Prestud is an ecologist and serves as the Director of the Centre for Climate and Environmental Research in Oslo. His work has focused on the Polar Regions, which have acted as an early warning system for the sort of climatic changes greenhouse gases are driving.

Discussion: How must society adapt to rapid climate change to minimise severe upheaval?

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Unterhaching is a town of around 25,000 people a few kilometers south of Munich, Germany. In most respects it is typical of small towns in Europe, except for one thing, it has built and now operates its own power generating station using hot water from deep within the Earth’s crust.

The idea first arose in the 1990’s and over the following decade the town secured the venture capital and the engineering resources to drill down three-and-a half kilometers to tap into a permeable limestone layer containing hot water. The drilling was successful and a pump house was built – in effect, a mini power station – where the thermal water is used to generate 3.4 megawatts of electricity a year.

The Geothermie Unterhaching project provides a perpetual sources of energy that is virtually free of greenhouse gas emissions – entirely owned and operated by the town.

Discussion: Should local communities be encouraged to develop their own sustainable solutions, such as geothermal energy, to power generation?

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Discussion: What can we do to ensure that generations to come have a sustainable future?

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