Classification standard of natural disasters in China

The level of early warning signals is generally divided into four levels according to the degree of harm, urgency and development trend that meteorological disasters may cause: IV (general), III (heavier), II (serious) and I (particularly serious), which are indicated by blue, yellow, orange and red in turn.

Severe weather warning signal 14 kinds of severe weather warning are divided into 14 kinds of sudden climate disaster warning signals: level 4: typhoon, rainstorm, blizzard, cold wave and gale (5 kinds) level 3: sandstorm, high temperature, lightning, frost, fog, haze and road icing (7 kinds) level 2: drought and hail.

Classification of disastrous weather warning signals Meteorological disaster warning signals are generally divided into four levels (IV, III, II and I), which respectively represent ordinary, heavy, serious and particularly serious. They are marked in Chinese and English, which are consistent with all national emergency disposal levels and colors.

People's Republic of China (PRC) Environmental Protection Law

Article 14 The relevant departments of the State Council and the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall fully consider the impact on the environment and listen to the opinions of relevant parties and experts when organizing the formulation of economic and technological policies.

Fifteenth the State Council city environmental protection departments to develop national environmental quality standards.