What are greenhouse gases?

Greenhouse gases are primarily recognized for their ability to trap heat in the Earth's atmosphere, which is a fundamental aspect of the greenhouse effect. This effect occurs when these gases absorb and re-radiate infrared radiation emitted from the Earth's surface, preventing it from escaping back into space. This process keeps the planet warm enough to support life but has become a significant concern due to human activities that have increased the concentration of these gases, leading to enhanced global warming and climate change.

The key greenhouse gases include carbon dioxide, methane, nitrous oxide, and fluorinated gases, all of which contribute to the warming of the planet. As their concentrations increase due to human activities such as burning fossil fuels, deforestation, and industrial processes, more heat is trapped, resulting in rising global temperatures and associated climate impacts.

Understanding the role of greenhouse gases is vital for grasping the challenges posed by climate change, emphasizing the importance of reducing emissions to mitigate its effects.