During a 1 hour tweetchat, Dr. Anne-Marie Warris (@AnneMarieWarris) chair of the ISO subcommittee (ISO/TC 207 /SC 1) responsible for ISO 14001, will answer your questions on the 2015 version of ISO 14001 to be published in September. To participate simply log into Twitter, or use Twubs to send your questions from 14:30CEST onwards. Don't forget to use the hashtag #ISO140012015 or we won't be able to find your tweets.