It is very important to us to be in direct contact with our readers and we would therefore like to invite you to sign up for our newsletter. It will be send by email every two weeks to update you on new biochar articles, videos, reviews and discussions. We will also ask you about your opinions, ideas and comments. Signing-up for the newsletter will provide you with a login and password allowing you to comment on the articles and to participate in the reader discussions. Your email address will be kept confidential, and will be used only for direct communication with you. You can always unsubscribe with just one click.