A localised capture of coastal erosion. 
A dune in East Lothian. Sound sources include buried microphone in collapsing sand banks, hydrophone in quickly evaporating marsh water, buried hydrophone at the high water mark during the highest spring tide of the year, and the wind causing the surrounding trees to strike and rub against each other.

Coastal Erosion, East Lothian

Witness Engine capture of air quality. CAAQM air quality data from OpenAQ. Weather data from OpenWeather.

Readings in ug/m3

CO: 900
NO2: 24.2
PM2.5: 40
PM10: 67
Ozone: 8
SO2: 19.9

The AQ Witness Engine programmed by Michael Begg
All rights reserved.

http://witnessengines.com

Vivek Vihar, India. 17 Aug 2020

Witness Engine: Weather
Data: openWeather

Edinburgh, Friday 21st August. Morning. Light rain.
Temp: 15 celsius
Humidity: 83%
Windspeed: 1.34
Cloud cover: 96%

The Witness Engine (weather) programmed by Michael Begg
All rights reserved.

https://witnessengines.com

Edinburgh, Scotland.  21 Aug 2020. Light rain

Witness Engine capture of air quality. Umhverfisstofnun air quality data from OpenAQ. Weather data from OpenWeather.

Readings in ug/m3:
NO2: 0.56
PM2.5: 5.26
PM10: 5.26
SO2: 2.35

Temp. 2c
Pressure 1008
Wind 0.36
Humidity 100%

The AQ Witness Engine programmed by Michael Begg
All rights reserved.

https://witnessengines.com

Husavik, Iceland. 26 August 2020. Clear

The Witness Engines connect directly to live data feeds and process the incoming datastream into sound. The Witness Engines offer new perspectives, and new modes of engagement to our sense of solastalgia our anxiety concerning our environmental crises.