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Climate change is

  ◈ weather and climate

To understand climate change, we need to understand climate first. Generally, 'weather' refers to the atmospheric conditions of temperature, wind, rain, etc. we experience every day, and 'climate' is an average of the weather in an area for decades. Climate varies from place to place because it depends on latitude, distance from the sea, the presence of plants, mountains, or other geographical elements. That is, it depends on the size of the time, such as the season and season, the one-year cycle, the ten-year cycle, and the glacial period. A statistically significant change in climate or variability that lasts decades or more is referred to as 'climate change' for the average state.

  ◈ Definition of Climate Change

lasting for a long period of time (typically decades or more), which is statistically meaningful in the average state of the climate or its fluctuations. Climate change is the word for change. Climate change can be caused by natural internal processes or external forces, or by constant artificial changes in the creation of the atmosphere, or by land use. Article 1 of the Convention on Climate Change defines climate change as being directly or indirectly caused by human activities changing the formation of the global atmosphere, and in addition to natural climate dynamics observed for a sufficient period.

  ◈ Climate Change Factors

A natural cause

Climate change is caused not only by externally caused changes, but also by changes in climate system components and interactions between components. Typical examples of climate change due to extrinsic factors include increased aerosols in the stratosphere due to volcanic differentiation, changes in solar activity, and astronomical changes in relative positions of the sun and the earth. Climate systems can change naturally without external factors. This is because the five main components of the climate system (temperature, humidity, precipitation, wind speed, day length) and atmospheric, hydroponics, ice rights, tributaries, and biosphere interact and constantly change.

An artificial cause

Human activities began to affect climate in the early 18th century, the early days of the Industrial Revolution, with global greenhouse gas emissions rising by 70% between 1970 and 2004 (IPCC, 2007), and the 5th IPCC report (2015). Human activities, especially fossil fuel combustion and biological combustion in factories and homes, produce greenhouse gases and aerosols that affect the composition of the atmosphere, causing solar radiation reflection and optical changes in clouds. In addition, the release of carbon chloride (preon gas), other fluoride compounds, 카지노사이트 and bromine compounds affects radiative forcing, reduces the ozone layer in the stratosphere, and changes in land use due to urbanization and excessive land development or forestation affect the physical and biological characteristics of the Earth's surface.