Environment
- Bioplastic is niet afbreekbaar. (in: Eos Magazine 9, 2009) / Bioplastics are not biodegradable.
- De egel als bio-indicator. (in: Zoogdier 20 (3), 2009) / Hedgehogs as bioindicators of environmental pollution.
- Kerkuil maakt comeback (in: Eos Magazine 9, 2009). / Comeback of the barn owl.
- Kwallen op veroveringstocht. (in: Eos Magazine 2, 2009). / Jellyfish are conquering our oceans.
- Zwerfvuil bedreigt egels. (in: Zoogdier 15 (4), 2004). / Waste threatens hedgehogs.
- Afval hindert dieren (in: Knack 46, 2004, door Dirk Draulans). / Waste poses problems to animals.
