EC ECI support:
https://collab.ec.europa.eu/wiki/eci
Topic and text discussion: EU ECI support forum – we need ideas and feedback!
NGO checklist:
Spendenbutton (DE):
https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=7GCF8MNM45PQU&source=url
Climate Tracker and Analysis
https://climateactiontracker.org/countries
https://europeanclimate.org