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Fire

How to Make Biomass Energy Sustainable Again

From the Neolithic to the beginning of the twentieth century, coppiced woodlands, pollarded trees, and hedgerows provided people with a sustainable supply of energy, materials, and food.

Thermoelectric Stoves: Ditch the Solar Panels?

Wood stoves equipped with thermoelectric generators can produce electricity that is more sustainable, more reliable, and less costly than power from solar PV panels.

Too Much Combustion, Too Little Fire

The fire – which we have used in our homes for over 400,000 years – remains the most versatile and sustainable household technology that humanity has ever known.

Heat Storage Hypocausts: Air Heating in the Middle Ages

The heat storage hypocaust could keep a room warm for days with just one firing of the furnace.

Medieval Heating System Lives on in Spain

The expression “estar en la gloria” (to be inside the gloria) means that someone feels happy and comfortable.

Well-Tended Fires Outperform Modern Cooking Stoves

Despite technological advancements since the Industrial Revolution, cooking remains a spectacularly inefficient process.

Burning the Bones of the Earth: Lime Kilns

Lime burning is a now-forgotten industry that sustained many agrarian communities before energy became cheap.

Medieval Smokestacks: Fossil Fuels in Pre-industrial Times

Almost all of the leading economies in Western Europe during the last millenium relied on a large-scale use of fossil fuels such as peat and coal.

Wood Gas Vehicles: Firewood in the Fuel Tank

During the Second World War, almost every motorised vehicle in continental Europe was converted to use firewood.

Rings of Fire: Hoffmann Kilns

Depending on the size of the kiln, it took between one and six weeks for the fire to complete a full circle.

Sunbathing in the Living Room: Oven Stoves and Heat Walls

Oven stoves are greener, more efficient, healthier, safer and cosier than all modern heating systems. Why are they gone and how do we get them back?