; and (D) recommend meaningful responses to reduce the likelihood of loss of life, or human or economic injury, according to the findings of the above-mentioned research, including national and regional policies and programs. (b) Biennial report Not later than June 1, 2022, and once every 2 years thereafter, the Board shall submit a report to Congress, which shall include— (1) a statistical and analytical summary of the reviews conducted and reviewed by the Board during the prior 2 calendar years; (2) a survey and summary of the recommendations made by the Board and the observed response to each recommendation, including the classification, containing a written justification and explanation of each recommendation as— (A) open, if, in the determination of the Board, sufficient action to fulfill the intent of the recommendation has not been taken and still should be; (B) closed, if, in the determination of the Board, sufficient action to fulfill the intent of the recommendation has been taken and no further action is necessary; and (C) outdated, if, in the determination of the Board, the recommendation is no longer relevant because of any change in circumstances or actions by parties other than the intended recipient of the recommendation; (3) an assessment of efforts of Federal, State, Tribal, and local governments to respond to recommendations made by the Board, if such entities have voluntarily provided information to the Board on the progress of the entity; (4) a description of the training undertaken by the Board and its staff and persons sponsored by the Board; (5) a list of natural hazards and public health incidents that caused 10 or more fatalities that the Board did not review and a recommendation with justification by the Board of whether similar incidents should be reviewed in the future; (6) a recommendation on how, if at all, the thresholds and triggers for a review by the Board should change