"Facing Our Country's Environmental Problems" Face Unprecedented Challenges Together PPT

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"Facing Our Country's Environmental Problems" Face Unprecedented Challenges Together PPT

Part One: General Overview of Environmental Problems in my country

my country’s environmental problems are becoming increasingly prominent

Based on the actual information around you or what you know, what are the environmental issues you know about?

Environmental issues

environmental pollution

Water pollution Air pollution Noise pollution Soil pollution

ecological damage

Water and soil erosion, forest destruction, grassland degradation, land desertification

Facing my country's environmental problems PPT, part 2: Outstanding manifestations of my country's environmental problems

1. Ecological destruction - taking desertification as an example

The figure below shows which areas (provinces) are desertification mainly concentrated in our country? Which geographical region of our country is it mainly concentrated in?

Mainly concentrated in the area west of the Greater Khingan Mountains and north of the Kunlun Mountains - Altyn Mountains - the ancient Great Wall, mainly including Shaanxi Province, Gansu Province, Ningxia Hui Autonomous Region, Qinghai Province, Xinjiang Uygur Autonomous Region and Inner Mongolia Autonomous Region.

Discuss

Based on the above information, analyze what are the factors causing desertification in Hulunbei Grassland?

Natural factors: This area is an arid and semi-arid area in my country, with a temperate continental climate. The variability of temperature and precipitation is large, and climate abnormalities will aggravate desertification;

Human factors: over-cultivation and overgrazing.

2. Environmental pollution - taking the Yellow River water pollution as an example

Look for it

The water bodies in the middle and lower reaches of the Yellow River are polluted to varying degrees, and the Dahei River, Weihe River, Luohe River, Huangshui River and Fenhe River are seriously polluted.

Collaborative exploration:

It is believed that uncontrolled waste of Yellow River water is one of the reasons for the Yellow River's interruption, and the reduction of the Yellow River's water volume has caused the Yellow River's own water purification function to decrease; the industrial structure of the Yellow River Basin is unreasonable, and has long followed the low-input, high-consumption, heavy-duty In the development model of pollution, heavy-polluting enterprises are developing rapidly, their number is constantly increasing, and their ability to prevent and control pollution is poor; domestic sewage in the Yellow River Basin is also in a state of poor governance. etc.

Discuss:

What harm will the increasingly serious environmental problems bring to our country?

It has seriously restricted our country's economic development, endangered people's health, affected social stability, and has become a major issue threatening the survival and development of the Chinese nation.

Facing my country's environmental problems PPT, the third part: my country's environmental governance

(1) Basic national policy: environmental protection

(2) Two major focuses: ecological environment construction in accordance with local conditions; prevention and control of environmental pollution.

(3) Important achievements:

Ecological environment construction

Environmental pollution control

Facing my country's environmental problems PPT, the fourth part: review the past and learn the new, test you

1. The world’s environmental problems are becoming increasingly serious mainly because ( )

A.After the industrial revolution

B. After the bourgeois revolution

C.After the socialist revolution

D.After World War II

2. When environmental problems arise, they endanger the stability and security of the entire earth’s ecosystem. This is the level of environmental problems ( )

A. Local B. Regional

C. Destructive D. Global

3. The signing of the "Kyoto Protocol" reflects the measures taken by countries around the world to deal with world environmental problems ( )

A. Improve the quality of the population

B. Control the population

C. Countries work together

D. Strict enforcement of laws

4. Production activities that can promote the unity of human beings and the environment are ( )

A. Deforestation and land reclamation in mountainous areas

B. Land reclamation on steep slopes in mountainous areas

C. Construction of forest nets on the Huanghuaihai Plain

D. Excessive extraction of groundwater

Keywords: free download of PPT courseware on history and society in the second volume of the ninth grade of the People's Education Press, confronting my country's environmental problems PPT download, and jointly facing unprecedented challenges PPT download, .PPT format;

For more information about the PPT courseware "Facing Unprecedented Challenges Together and Facing Our Country's Environmental Problems", please click the Facing Unprecedented Challenges Together PPT Facing Our Country's Environmental Problems PPT tab.

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Update Time: 2024-10-05

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