- Cloud Carbon footprint
https://www.cloudcarbonfootprint.org/
- Electricity map
https://app.electricitymaps.com/map
- our world in data
https://ourworldindata.org/co2-emissions-from-aviation
- Sustainable info
https://www.sustainablesoftware.info/software-energy.page
- Emissions of the netherlands
https://www.nowtricity.com/country/netherlands/