The carbon intensity of different energy sources
In today's world, energy matters are of great concern, and the study of carbon intensity is particularly important. Different energy sources have different carbon intensities, which have a great impact on the environment and economy.

First of all, on fossil energy. Coal has a high carbon content. When it is burned, it releases more carbon dioxide, and its carbon intensity is the highest of all energy sources. In the past, when industry was booming, coal was the main energy source, but its high carbon intensity caused the increase in the amount of carbon dioxide in the atmosphere, leading to the greenhouse effect.

Petroleum is also a fossil energy. Its application is wide, and it is important in transportation and other fields. However, the amount of carbon emissions from its combustion should not be underestimated, and its carbon intensity is also at a high level. Although it is more convenient than coal for some uses, it is not a good choice in the long run from the perspective of carbon intensity.

Natural gas has a slightly lower carbon intensity than coal and oil. Because of its relatively clean combustion, it produces less carbon. Therefore, during the energy transition, it is often used as a transition energy to help reduce carbon emissions and relieve environmental pressure.

Looking at clean energy again. Solar energy is inexhaustible, and there is no risk of carbon emissions, and its carbon intensity is nearly zero. It uses photovoltaic technology to convert photovoltaic energy into electricity, which is the hope of future energy.

Wind energy is also a good choice for clean energy. Wind-powered electricity generates no carbon emissions during operation, and the carbon intensity is also extremely low. In coastal, plateau and other windy places, Daxing wind farms can add great power to power supply.

Hydropower generates electricity by leveraging the flow of water. Although it may have a certain environmental impact at the beginning of construction, its carbon intensity in operation is very low. In the long run, it is a stable low-carbon energy.

Biomass energy is derived from biological organic matter. If used rationally, it can become a low-carbon energy source. Its carbon emissions when burned or converted are less than those of fossil energy and are renewable.

The difference in carbon intensity of different energy sources is an important basis for energy choices and industrial planning. We should promote low-carbon and carbon-free energy and reduce dependence on fossil energy to achieve harmony between the environment and development.