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Factors for the sharp decline in biodiversity

Factors for the sharp decline in biodiversity

The global environmental problem of the sharp decline in biodiversity is caused by human behavior, and it can also be regarded as a negative effect of energy use. It is estimated that in the late 1980s, the area of ​​the tropical rainforest was being destroyed at a rate of two football fields per second. If …

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What is thermal pollution

What is thermal pollution?

Among the environmental effects of energy, in addition to toxic and harmful chemical pollutants, atmospheric greenhouse effect, radioactive substances, etc., thermal pollution is also a kind of ecological environmental pollution in the process of energy utilization. Thermal pollution refers to environmental pollution caused by waste heat emitted by humans in various production and living activities …

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Possible consequences of increased atmospheric greenhouse effect

Possible consequences of increased atmospheric greenhouse effect

The average temperature of the Eurasian and North American continents will be 6 to 8°C higher than the current actual temperature. The current global daily average temperature on the ground has increased by 0.6°C compared to before the first industrial revolution. The scale of this temperature increase is equivalent to the temperature change that can …

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Global warming potential

Global warming potential

At present, the concentration of CO2 in the atmosphere is increasing at an annual rate of 0.4% to 0.5%. According to meteorological data and scientists’ speculations, the concentration of CO2 in the atmosphere remained basically around 275×10-6 from 10,000 years ago to the early stages of the Industrial Revolution. After the Industrial Revolution, the concentration …

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Human dependence on the earth's environment

Human dependence on the earth’s environment

British geochemist E. Hamilton and others found that the content of more than 60 chemical elements in human blood is related to the content of these elements in the earth’s crust through blood analysis of human organs. Harmony and unity of human material. In the final analysis, human beings are the product of the long-term …

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The evolution of the earth's environment

The evolution of the earth’s environment

Since the birth of the earth, the earth’s environment has already undergone vicissitudes of life. When the earth was formed about 4.5 billion years ago, it was a huge hot ball of fire, without the differentiation of the sphere of the environment. The earth is surrounded by a primitive atmosphere, which is mainly composed of …

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