And how do you get the idea to use the blockchain to obtain and store data on emissions of hazardous industries? I think that if they obliged all the companies that have production facilities that pollute the environment to install special sensors that will collect information and store it in the blockchain. That nobody could replace the data? I think this is a good idea!
Confidentiality and data integrity are important for any project. Regardless of the area in which the project operates.
I agree that security is one of the most important thing about any project. No matter in what sphere it operates. Personally I would not even be interested in product if it is not reliable enough.