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How Hemp Can Help Clean Up the Planet

How Hemp Can Help Clean Up the Planet

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We all know that the past few centuries have wreaked havoc on our environment. Our oceans are full of plastic, air pollution impacts thousands of people each year and, according to the Environmental Protection Agency (EPA), there are thousands of contaminated land sites throughout the U.S. alone.

Hemp might be a potential solution. Due to a process known as phytoremediation, hemp could offer aid to a planet that is in serious peril. But just how can hemp help clean up the planet?

Hemp Phytoremediation 101: What is Phytoremediation and How Does It Work?

It’s important to understand exactly what phytoremediation is and how it works before we delve deeper into hemp phytoremediation.

Defined as “the use of living green plants for the removal, degradation and containment of contaminants in soil, surface waters and groundwaters,” phytoremediation is a living, natural way to help clean up the environment.

sunflowers

Hemp is only one of several plants that are capable of the fascinating process of phytoremediation. Some of these include Indian mustard, willow trees, poplar trees and sunflowers.

Members of the mustard family are most frequently used for phytoremediation, but hemp is considered one of the best plants to use. This is because hemp has a relatively deep root system and it’s typically unaffected by any toxins accumulated from both soil and air.

There are several different forms of phytoremediation. These include:

  • Phytodegradation: Using plants to uptake, store and degrade toxic pollutants.
  • Phytoextraction: The process of removing metals or organics from the soil through a plant’s root system, where they then accumulate in the biomass of the plant.
  • Phytostabilization: The reduction of a contaminant’s mobility by immobilizing or binding them to the soil medium.
  • Phytovolatilization: Using plants to take pollutants from the growth medium, then transform them and release them into the environment.

The most widespread practices of phytoremediation include phytoextraction and phytodegradation, which use specific plants that are grown in contaminated soils.

A Brief History of Hemp Phytoremediation

radioactive

The Chernobyl nuclear power plant disaster in April 1986 is by far one of most momentous disasters in human history. It’s estimated that some 400 times more radioactive material was released from Chernobyl than by the atomic bombing of Hiroshima and Nagasaki, which caused an environmental impact unlike anything the world had ever seen.

Four years after the blast, the environmental situation at Chernobyl was assessed by the International Atomic Energy Agency. Within a 30km radius around the disaster site, it was discovered that there were significantly higher concentrations of several toxic metals in the soil and tissues of plants and animals, including plutonium, lead, cesium-137 and strontium-90.

Scientists turned to nature for help with diminishing the substantial levels of soil contamination by utilizing beneficial plants in an effort to clean up the disastrous concentrations of contamination. Two of the most significant crops they planted? Sunflowers and hemp.

Research scientist Slavic Dushenkov of Phytotech, the company responsible for the hemp planting at Chernobyl, said, “Hemp is proving to be one of the best phytoremediative plants we could find.”

The Chernobyl disaster isn’t the only case where hemp phytoremediation proved to be extremely effective in removing toxic chemicals from contaminated soil. In Italy, hemp phytoremediation made headlines when it was used by farmers to clean up soil contaminated with dioxin from a nearby steel plant.

Hemp Phytoremediation for Clean Land and Air

Hemp phytoremediation could help rid the planet of some of the devastating pollution that has become an unfortunate reality. The benefits of hemp phytoremediation can offer polluted land and air a clean break they both desperately need.

Hemp and Clean Soil

hemp and clean soil

A study from 2003 discovered that hemp has the ability to soak up soil contaminants such as nickel, cadmium and chromium and that the absorption of such heavy metals did little to alter the plant’s physical form and external structure.

Although many people don’t give it much thought, land contamination is a serious problem. The EPA says land contamination can be caused by a number of different factors, such as “intended, accidental or naturally occurring activities and events such as manufacturing, mineral extraction, abandonment of mines, national defense activities, waste disposal, accidental spills, illegal dumping, leaking underground storage tanks, hurricanes, floods, pesticide use and fertilizer application.”

Although some contaminated sites pose little threat to human health, other sites are more dangerous. When they’re not properly managed, humans and animals may be exposed to potentially dangerous chemicals that could lead to chronic or acute health concerns.

Could hemp phytoremediation be the answer to clean up thousands of acres of contaminated land? It just might.

Hemp and Clean Air

Some say hemp is the ideal carbon sink. The ancient plant has been scientifically proven to absorb more CO2 than any other commercial crop that exists. According to National Geographic, carbon dioxide levels are at a record high, which is one of the leading factors driving climate change.

Hemp removes CO2 from the air and converts it to carbohydrates that help develop the plant’s structure during photosynthesis. When the process is complete, oxygen is a byproduct that is released back into the atmosphere.

Trees do something very similar but take much longer to grow than hemp. Hemp can also be grown in relatively any type of soil, doesn’t need much water and can be grown without pesticides or fertilizers making hemp an ideal choice for reducing the effects of climate change.

Where Hemp for CBD is Grown is Important

Joy Organics hemp farm
Joy standing in field of hemp plants

 

Although hemp phytoremediation could do wonders to clean up the planet, it’s important to understand that the contaminants the plant absorbs don’t magically disappear altogether. As a matter of fact, they contaminate the plant itself. Once hemp is used for phytoremediation, it should not be used to produce products like food or CBD.

It’s necessary that hemp grown for CBD is cultivated in the cleanest environment possible. A contaminated hemp plant will only produce contaminated hemp products.

For people who seek the wellness benefits of hemp-derived products, make sure you are only purchasing CBD that has been tested in a lab for the presence of pesticides, heavy metals and other unwanted compounds.

As beneficial as phytoremediation might be for the environment, it could have adverse effects on human health. When consumers turn to CBD, they’re doing so because of its potential benefits, but any heavy metals or soil contaminants present where the hemp was grown can detract from these benefits.

It is important to know where the hemp that’s used to produce your CBD is cultivated.

Hemp Phytoremediation for a Brighter Planetary Future

Hemp is truly one of the most versatile plants to ever exist. Not only can it be made into a plethora of different products, but it could help clean up the natural environment from man-made destruction.

Hemp phytoremediation might just be the thing we need to help clean up our planet and restore its natural balance.

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