From the natural environment: East Asia is located on the east coast of the mainland, and Western Europe is located on the west coast of the mainland; East Asia is dominated by plains, mountains and plateaus, while Western Europe is dominated by plains. East Asia has a temperate monsoon climate, while Western Europe has a temperate maritime climate. East Asian rivers have an ice age in winter, while western European rivers have no ice age; Both of them are mainly temperate deciduous broad-leaved forest. From the characteristics of economic development, East Asia is dominated by developing countries, and its economy is relatively backward. The primary industry and the secondary industry are the main industries in the industrial structure. Western Europe is dominated by developed countries with developed economies, and the industrial structure is dominated by secondary and tertiary industries; East Asia is rich in labor force, while Western Europe is of high quality. There are several things in writing a thesis, but it is impossible to finish all the contents in a short time. I'll give you an idea. You might as well check it online. Comparison content: Natural conditions: location, topography, climate, hydrology, soil and vegetation. Socio-economic conditions: resources, energy, agriculture, industry and transportation.