The four-level order of warning level colors is blue, yellow, orange and red.
1, blue warning: indicates that the environmental situation is normal, there is no obvious pollution or danger. In this case, normal environmental protection measures and monitoring can continue.
2. Yellow Alert: Indicates that some potential environmental problems or risks have arisen and that monitoring and preventive measures need to be strengthened. For example, there may be some slight signs of pollution or environmental indicators slightly exceeded, at this time you can strengthen the inspection and monitoring, and take the necessary corrective measures.
3. Orange Alert: Indicates that environmental problems or risks are further aggravated and that serious pollution or danger may have occurred. In this case, immediate action is required to strengthen emergency response and disposal measures to minimize further environmental damage and risk.
4. Red Alert: Indicates that the environmental problem or risk has reached the highest level and serious pollution or danger has occurred. At this time, it is necessary to immediately activate the emergency plan and take the most severe measures, including evacuation of people, blocking the source of pollution, emergency cleanup, etc., in order to minimize the damage to the environment and people.
Disadvantages of Environmental Pollution
1, Health Hazards: Environmental pollution can lead to contamination of air, water, soil, etc., thus affecting human health. For example, harmful substances in the air such as sulfur dioxide, nitrogen oxides, etc. will cause respiratory diseases, heavy metals in the water, bacteria, etc. will cause a variety of diseases, pesticides, fertilizers, etc. in the soil will affect food safety.
2, ecological damage: environmental pollution can cause damage to the ecosystem, resulting in a decrease in biodiversity. For example, water pollution will lead to the death of aquatic organisms, soil pollution will affect the growth of plants, air pollution will affect the migration of birds and so on.
3, economic loss: environmental pollution not only harms human health, but also causes economic loss. For example, water pollution can lead to damage in many industries such as fisheries and tourism, and air pollution can increase medical costs and maintenance costs of industrial equipment.