Causes and effects of climate change

The causes of changes in the climate system can be divided into two categories: natural factors and man-made factors.

The former includes changes in solar activity, volcanic activity, and internal variability of the climate system; the latter includes the increase in atmospheric greenhouse gas concentrations and aerosol concentrations in the atmosphere caused by human burning of fossil fuels and deforestation. changes in land use and land cover.

The causes of climate change include both natural and man-made causes.

Among the man-made causes, human activities since the Industrial Revolution, especially the economic activities during the industrialization process in developed countries, include the large consumption of fossil energy, deforestation of tropical forests, production and use of synthetic chemical products, etc., resulting in large amounts of emissions. Greenhouse gases are the main cause of global climate change.