Links submitted to this classification should be to discussion groups which focus on some part of hydrogen energy such as the science of production, utilization and storage. This category is intended for science oriented site content. Please submit sites primarily selling products online to the most appropriate category within the Shopping branch as they will not be listed here.
Before submitting a site, be sure to read the corresponding category description.
Please submit to an appropriate subcategory, if one is available. Otherwise, submit here. Failure to submit to the most specific appropriate category can delay the consideration of your submission.
For more information, please refer to the DMOZ Science FAQ.