water resources conservation(Controlled utilization or protection of any supply of water so that it is potentially useful for some purpose, such as for an economic, recreational or life-sustaining purpose)
water catchment protection(Precautionary actions, procedures or installations undertaken to prevent or reduce harm to the environmental integrity of drainage areas used to catch water, such as reservoirs or basins)
conservation of petroleum resources(Controlled utilization, protection and development of exploited and potentially exploitable sources of crude oil to meet current demand and ensure future requirements)
conservation of genetic resources(Controlled utilization, protection and development of the gene pool of natural and cultivated organisms to ensure variety and variability and for current and potential value to human welfare)
