Please help to keep our pages up to date and to improve them! Your feedback is always welcome. Please understand that most emails can't be answered, although all of them will be read and taken into account. There is no native English speaking person in the editorial staff. English texts can be read, but maybe answers will be written in German (if any).
To become a member, please fill in the form on the page Contact > membership.
Please note that we're not capable to offer neither an online diagnosis nor a consulting service to answer personal questions. Questions of general interest are always welcome.
E-mail secretary's office:
For all administrative matters related to the membership (address changes, registration, payment, login problems, etc.) and orders.
E-mail editor & webmaster:
Heinz Lamprecht, MS in environmental sciences