"Protecting the biosphere is the common obligation of all mankind" PPT

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"Protecting the biosphere is the common obligation of all mankind" PPT

Part One: The impact of human activities on the biosphere

Impact of land use on the biosphere

At present, among the many ecological and environmental problems in our country, the problem of land desertification is the most serious. There are currently 1.689 million square kilometers of desertified land in the country, accounting for 17.6% of the country's land area, involving nearly a thousand counties (banners) across the country. The expansion rate of land desertification is 2,460 square kilometers per year, which is equivalent to the "disappearance" of a medium-sized county in land area every year.

Impact of deforestation on the biosphere

The role of forests:

Conservate water sources, maintain water and soil, prevent wind and sand, increase humidity, create oxygen, purify the air, and reduce noise

Impact of environmental pollution on the biosphere

Protecting the biosphere is the common obligation of all mankind PPT, part 2: Humans can protect the biosphere

Carry out investigation, detection, evaluation and prediction of ecological environment quality

Formulate relevant policies and regulations

Establish nature reserves and implement large-scale ecological projects

environmental protection regulations

Law of the People's Republic of China on the Prevention and Control of Radioactive Pollution

Standardization Law of the People's Republic of China

Grassland Law of the People's Republic of China

Agricultural Law of the People's Republic of China

Environmental Impact Assessment Law of the People's Republic of China

Water Law of the People's Republic of China

Cleaner Production Promotion Law of the People's Republic of China

Law of the People's Republic of China on Desertification Prevention and Control

Keywords: Beijing Normal University Edition Biology PPT courseware for seventh grade volume 2 free download, protecting the biosphere is the common obligation of all mankind PPT download, .PPT format;

For more information about the PPT courseware "Man's Responsibility in the Biosphere and Protecting the Biosphere is the Common Responsibility of All Mankind", please click on the "Man's Responsibility in the Biosphere ppt Protecting the Biosphere is the Common Responsibility of All Mankind" ppt tag.

"Protecting the biosphere is the common obligation of all mankind" PPT courseware download:

"Protecting the Biosphere is the Common Obligation of All Mankind" PPT courseware download Part One: Introduction of new lesson Human activities have caused many adverse effects on the biosphere. What are the reasons for these phenomena? How should we, living on earth, treat the earth? Learning purpose...

"Protecting the biosphere is the common obligation of all mankind" PPT download:

"Protecting the Biosphere is the Common Obligation of All Mankind" PPT Download Part One: Classroom Activities Activities Investigate the land and water resources in the region and their utilization. What issues do you think should be paid attention to in the utilization of land resources in the region? How to increase revenue, reduce expenditure and reasonably...

"Protecting the biosphere is the common obligation of all mankind" PPT courseware:

"Protecting the Biosphere is the Common Obligation of All Mankind" PPT Courseware Part One: It is urgent to protect the biosphere. Investigate the land and water resources in the region and their utilization. What issues do you think should be paid attention to in the utilization of land resources in the region? How to increase revenue and reduce expenditure...

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Update Time: 2024-11-19

This template belongs to biology courseware Beijing Normal University Edition Seventh Grade Biology Volume 2 industry PPT template

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