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Biome Makers Blog

6 Ways Microbes Fight Climate Change

As humans try to combat the effects of climate change, it may be time to look back to microbes as our crucial solution to global warming. Microbes are responsible for many historical environmental changes that shaped the earth. These tiny generators of life have survived for billions of years, and further research may hold the answers we have been looking for all along.

Microbes, including bacteria and fungi, are crucial to maintaining healthy soil and combating climate change. Here are six ways that soil microbes help fight global warming.

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Carbon Sequestration

Carbon sequestration is capturing and storing carbon dioxide from the atmosphere, and soil microbes play a crucial role in this process. Soil microbes are essential to carbon sequestration. Through photosynthesis, certain bacteria and algae convert carbon dioxide into organic matter, then stored in the soil. This helps remove excess carbon dioxide from the atmosphere, mitigating the effects of global warming.

Nitrogen Cycle

Nitrogen is a crucial nutrient for plant growth, but it must be in the proper form for plants to use it. Soil microbes play a critical role in the nutrient cycling process. They break down organic matter, such as dead plants and animals, and release essential nutrients into the soil. These nutrients can then be taken up by plants and used for growth and development.

For example, nitrogen-fixing bacteria, such as Rhizobium, convert atmospheric nitrogen into a form that plants can use, such as ammonia or nitrite. This process, called nitrogen fixation, is essential for the growth of many plants, as nitrogen is a critical component of proteins and other cellular structures.

Plant Growth

Soil microbes play a critical role in supporting plant growth. They do this in many ways, including breaking down organic matter, providing nutrients, enhancing root development, and protecting against disease.

Check out our ebook, The Soil Microbiome and the impact on Plant Nutrition >>
 
Other bacteria and fungi help break down complex organic molecules, such as cellulose and lignin, into simpler compounds that plants can use. This process, known as decomposition, releases various nutrients, including carbon, nitrogen, phosphorus, and sulfur, back into the soil. Soil microbes also produce many vitamins and other growth-promoting compounds that plants take up. For example, bacteria in the soil produce vitamin B12, which is essential for the growth and development of plants.
 
Some soil microbes, such as mycorrhizal fungi, form symbiotic relationships with plant roots. These fungi help to improve the absorption of water and nutrients by the plant roots, leading to enhanced growth and development. Soil microbes can also help to protect plants against diseases. For example, certain bacteria produce antibiotics that can kill or inhibit the growth of pathogenic microbes, such as bacteria and fungi, that cause plant diseases.

Nutrient Cycling

Nutrient cycling assists the soil. Also, to nitrogen, soil microbes help cycle other essential nutrients, such as phosphorus and potassium, making them available for plant growth. This process, known as nutrient cycling, helps maintain the health and fertility of the soil.

Soil Pollution Reduction

Soil microbes can reduce soil pollution. Many industrial processes and consumer products release harmful chemicals into the environment, contaminating the soil. But some soil microbes can break down these pollutants, helping to clean up contaminated soil and protect the ecosystem.
 
When waste breaks down, it releases methane, another potent greenhouse gas. But certain microbes, such as methanotrophic bacteria, can break down methane before it can escape into the atmosphere. This process not only reduces methane emissions but also creates a source of clean energy.

Soil Microbiome & Soil Health Testing

The health of the soil microbiome is essential for maintaining healthy soil and supporting plant growth. Soil testing is vital to understand the soil's health and the microbiome's role in crop production. Soil testing can provide valuable information about biological pathways, hormone production, biocontrol, disease risks, and other factors affecting soil microbes. 

Emerging technologies make it possible to identify and study microbial populations present in the soil, providing insight into their role in promoting soil health and fighting climate change.

Conclusion

Soil microbes adapting to different environments suggests that they were fighting climate change long before we knew global warming and environmental change were upon us. Understanding soil microbes could help us learn how to be more sustainable and prevent significant environmental destruction.
 
Soil microbes are essential to fighting climate change. By promoting carbon sequestration, assisting in the nitrogen cycle, and helping to clean up pollution, soil microbes play a crucial role in maintaining healthy soil and mitigating global warming.