Heathrow Airport's owners, BAA, have put forward a solution to stop the hub grounding to a halt in the event of future airport snow - underground heating technology.
BAA is looking into integrating a geothermal system that can capture solar energy, store it and then release it as heated water to replenish the tarmac above.
The principle blends an idea that dates back to Roman times with modern-day eco-friendly technology and, if implemented, it could prevent the Heathrow shut-down that occurred at the end of 2010.
Then, a massive snowstorm affected Heathrow's flight schedules for five straight days and, last month, BAA said it would spend £50m to put things right.
While the snow remained on the ground, close to 4,000 flights were cancelled and, on the first day, 9,500 passengers ended up sleeping in terminals overnight.
BAA is looking into integrating a geothermal system that can capture solar energy, store it and then release it as heated water to replenish the tarmac above.
The principle blends an idea that dates back to Roman times with modern-day eco-friendly technology and, if implemented, it could prevent the Heathrow shut-down that occurred at the end of 2010.
Then, a massive snowstorm affected Heathrow's flight schedules for five straight days and, last month, BAA said it would spend £50m to put things right.
While the snow remained on the ground, close to 4,000 flights were cancelled and, on the first day, 9,500 passengers ended up sleeping in terminals overnight.
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