Rohit Gupta
Introduction: Geological layers for most of Earth’s history have been created mainly by natural events like volcanoes sedimentation erosion, and tectonic movements. Though, human actions nowadays are shaping a new and never-before-seen geological occurrence. The key evidence of human impact on the planet includes microplasticsmicroscopic plastic fragments not exceeding five millimeters in size that have invaded marine environments soils rivers, glaciers, and the air. Scientists are increasingly interpreting these particles as one of the components of an “artificial lithosphere”a human-made geological layer within Earth’s stratigraphyas microplastics continue to build up in sediments globally.
An artificial lithosphere refers to one human-created few-millimeter-sized layers of lithosphere (rock-forming) particles. This concept questions the established geological notions as these human-generated layers are not deposits of natural rock minerals but entirely new anthropogenic ones. They also form really fast, within a matter of decades, driven by global industrial production and consumption chains, unlike natural rock strata which need geological timescales (millions of years) to be formed. Mastering the knowledge about this matter and living effectively in that new world would become the major environmental challenge of this century.
Microplastics As Geological Markers: Plastics are one of the most persistent and widely distributed pollutants globally. It has been estimated that since the beginning of large-scale plastic manufacturing in the mid-20th century, more than eight billion tons of plastic have been produced worldwide. Plastic fragments result in microplastics through weathering, photodegradation, and mechanical breakdown. These tiny pieces have become ubiquitous in every ecosystem on the planet. To geologists, the habitat record shows fossils that allow for time delineation of the epochs, while volcanic ash that can be used to date events. Deposits of plastics and other synthetic items may be evidential in the future for the current age Soon. So, microplastics may work as tracers for the Anthropocene epoch – a geological time-period that is characterized by human impact at a global scale.
Microplastic pollutants have been identified in lake deposits, engulfments of deep-sea floors, polar ice, and sedimentary rocks along the coast. In some coastal areas, human and nature-induced plastiglomerates, a combination of melted plastic mixed with natural sediments, shells, and volcanic materials, are also present which represents plastics becoming part of geological material.
Environmental, Ecological Consequences: Due to the slow degradation rate of plastics, their micro-persistent nature causes many ecological and health concerns. Plastics represent one of the few pollutants that degrade extremely slowly in the environment. As the plastics keep breaking down, the resulting smaller particles get harder and harder to remove from the environment. In the ocean, microplastics are indiscriminately mistaken for food by all manner of organisms. The plastic particles are ingested by fish, seabirds, and marine mammals and may, as a consequence, interfere with their physiological functions. Also, agriculturally used soils containing microplastics have undergone changes in soil texture, water-holding capacity, and microbial diversity. Studies have also documented microplastic pollution in human drinking water, food products, and tissues. While it is yet not clear what negative health impacts can be attributed to long-term exposure, it is suspected that plastic-related chemicals and contaminants could pose a risk over time. Besides being a pollution problem, microplastics becoming part of the geological systems is actually a signal of how Earth’s physical and biological environments have changed permanently.
“The artificial lithosphere proves human impact has reached a global geological scale. Rather than dismissing it as mere pollution, humanity must use this warning to overhaul production and consumption—minimizing our footprint so future generations can sustainably navigate our geological legacy.”
Living With An Ever-Present Man-Made Layer: Microplastics have become so widely spread that considering their removal from the environment is impractical. So with preventing and lessening, one has to adapt. One of the things that first societies need to do is to focus their attention on enhancing systems of plastic waste management. Making recycling more widely available public and private sectors working together to coming up with eco-friendly materials are some of the ways to keep the amount of waste from piling up in the future. And then there is the concept of the circular economy which is being acknowledged by both governments and industries as one of the models that is able to lessen the generation of wastes. Also, the whole environmental monitoring process needs to be taken to a higher level of sophistication. It is scientists who have to be given the tools they need so they can come up with programs for long-term observation of microplastics as they are moving through different ecosystems, soils, and food chains. Besides, such monitoring will be vital for figuring out what regions are most at risk and be a basis of the implementation of the policy that will be the most effective. And, the planning and designing of towns and cities can be carried out by considering the possibilities of utilizing technologies offering solutions to capturing microplastics on a before they are a part of natural systems level. Highly developed filtration techniques installed at wastewater treatment plants, stormwater management facilities, and industrial processes can be really quite effective in cutting down the emissions. In addition, more and more people getting to know about the problem and changing their ways is something that will still must be done. Limiting the use of single-use plastic products, purchasing items that have less impact on the environment, and disposing of waste in a manner responsible are the measures that when combined, can result in the growth of the artificial lithosphere being limited.
Summary: Truth is that micro plastics can be found as a permanent geological layer is a sign that a major change has taken place in the way humans relate to the Earth. The artificial lithosphere is a clear indication that human actions are already at the level of affecting geological processes at a global scale. Even though micro plastics remaining in the environment is resulting in major problems to it, but this is giving humanity a chance to change the way they do production, consumption, and environmental care. If we see the artificial lithosphere only as a representation of pollution then in fact, this will be the one thing society will be missing as the warning and the lesson. By making smart adaptations and being responsible at all times with actions, humans will be in position to make biggest the effect of people on the environment down to the smallest one and the coming generations know how to live together with the geological legacy they have left.
(The author is a teacher at Cambridge International School, Jammu. The views, opinions and conclusions expressed in this article are those of the author and aren’t necessarily in accord with the views of “Kashmir Horizon”)
