Add Emissions

from statistics

from receipts or bills

or use the Search-Bar to find common footprints. 

from metered devices

Create a Webform

Use a Webform for example to report fuel receipts or other regular events that might even be entered by other people without  login credentials.

Using Webhooks

For automated reporting use RapidAPI-CO2Offset. A prebuilt implementation is available as Node Module.