The unbearable dawn chorus
Feb 23, 2016
Bishop Hill in Energy: gas, Greens

Much fun is being had at the Lancashire shale gas inquiry, which has been considering noise pollution. Cuadrilla have proposed that night-time noise should be limited to 42dB, which is described on this website as being akin to 

As one might expect, this is not accepted by the council, although interestingly they seem to be playing fast and loose with the numbers. The council claims to be using WHO guidance on nighttime noise, and says that these specify a level of 30dB. However, the introduction of the WHO Night Noise Guidelines for Europe says this:

Considering the scientific evidence on the thresholds of night noise exposure indicated by Lnight,outside as defined in the Environmental Noise Directive (2002/49/EC), an Lnight,outside of 40 dB should be the target of the night noise guideline (NNG) to protect the public, including the most vulnerable groups such as children, the chronically ill and the elderly. Lnight,outside value of 55 dB is recommended as an interim target for the countries where the NNG cannot be achieved in the short term for various reasons, and where policy-makers choose to adopt a stepwise approach.

No doubt, if 30dB is the required noise level, people in rural Lancashire will be campaigning to slaughter the local songbird population.

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