How does infrared radiation act as a blanket to our troposphere?

Infrared radiation acts as a blanket to our troposphere by trapping heat that is emitted from the Earth's surface. When sunlight reaches the Earth, it warms the surface, which then emits this energy as infrared radiation. Greenhouse gases, such as carbon dioxide and methane, absorb some of this infrared radiation and re-radiate it in all directions, including back toward the surface, effectively insulating the planet and maintaining a stable temperature. This natural greenhouse effect is crucial for sustaining life, but excessive greenhouse gas concentrations can lead to global warming.