nature

Sunlight is an indispensable element in life, it brings us light, warmth and energy. However, sunlight also carries its secrets and risks, the most well-known of which is ultraviolet light. What is that ultraviolet light? Is it beneficial or harmful to human health? Let's go down and see~~

The ozone layer is an important component of the earth's atmosphere. It is located in the upper part of the stratosphere, which can filter out harmful rays from the sun and protect organisms on the earth from various radiation damage. However, due to human activities, a big hole was opened in this shield of the earth, and the ecological balance formed for thousands of years was thus broken. So, what exactly caused the breach of this important protective shield? Let us continue to look down.

Acid rain is a climate problem that seriously affects the environment and ecosystems. It refers to the excessive acidity contained in precipitation (such as rain, snow or fog), which causes damage to soil, water bodies and organisms. The formation of acid rain is closely related to human activities. Perhaps everyone is familiar with the term acid rain, but what is acid rain? How is it formed? And what are its impacts on Earth's ecosystems? Let's move on.

Typhoon is the display of the power of nature, and it is an unavoidable natural disaster every year, but how is typhoon formed? Let us continue to read~~

In our daily life, we often encounter the phenomenon of "fog" and "haze". Both fog and haze are meteorological phenomena caused by particulate matter in the air, but their causes and characteristics are very different. Simply put, fog is naturally formed, while haze is caused by human activities. We can sum up the difference between "fog" and "haze" in one sentence, that is, "natural fog, man-made haze".