German energy giant Eon causes the most pollution of the seven biggest power producers in the Netherlands, according to a survey published on Monday by the environmental organisation Greenpeace.

The organisation dumped a pile of coal outside Eon’s offices in Eindhoven this morning in protest at the company’s use of coal-fired power stations.
The cleanest energy firm in the Netherlands is Eneco, according to the survey.
The biggest polluters in the Netherlands (Greenpeace survey):

1. Eon
2. RWE
3. Electrabel
4. Delta
5. Nuon
6. Essent
7. Eneco