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• Comment: We do not host blog posts/essays, sorry. qcne (talk) 21:32, 11 December 2025 (UTC)

Do you think increases in the size of the human population and individual consumption of natural resources such as water, oil, coal, copper, iron, aluminum, timber, plants, water, soil, and even sunlight affect Earth's systems? What evidence is there to support that statement? The population on Earth is 8 billion and growing. Yet scientists believe that our total resources would only support 2 billion people. That means we, humans, are consuming 4 times more than what is sustainable. Typically, as human population and per capita consumption of natural resources increase, so do the negative impacts on our planet, unless the activities and technologies are created otherwise, which is likely impossible. Human activity sometimes damaged or destroyed natural habitats and caused the extinction of other species, however, changes to Earth's environment can also have positive things as well.

Humans have a significant impact on the biological systems of Earth through habitat destruction and pollution. Urban development, agriculture, and deforestation destroy or fragment natural habitats, leaving many plants and animals without the places they need to live and reproduce. Pollution from factories, vehicles, and farms contaminates air, water, and soil, harming organisms and disrupting essential biological processes. These actions reduce biodiversity and weaken the balance of ecosystems.^[1]

Another major way humans affect biological systems is through climate change and overexploitation of species. The burning of fossil fuels releases greenhouse gases, causing global temperatures to rise and weather patterns to shift. Many species struggle to survive in these changing conditions. Additionally, humans often harvest animals and plants faster than they can naturally recover. Overfishing, hunting, and logging reduce population sizes and push species toward extinction, further destabilizing ecosystems.^[2]

Humans also influence biological systems by introducing invasive species and accelerating biodiversity loss. Species introduced to new environments can outcompete native plants and animals, altering habitats and food webs. Combined with habitat destruction, pollution, and climate change, these pressures have led to a rapid decline in species around the world. Disrupting biological systems not only threatens wildlife but also impacts human life, affecting food, water, and the stability of ecosystems that support life on Earth.^[3]

We know through industry, agriculture, and simple everyday activities have a negative impact on the environment. Such as a small oil spill spreading for miles in the ocean and polluting it and affecting ocean currents or when forest ecosystem are stripped of trees for the lumber industry to create agricultural land. Maybe even when sustainable use of land sprawls under urban development, agriculture, and the removal of wetlands had damaged ecosystem and the wildlife within. People can become smarter. How? Well, people can reduce what they use, reuse things when they can, and recycle items that need to be discarded. Companies and industry leaders can fund the research of scientists and engineers. Their research must focus on developing new technologies that produce less pollution, waste, and combat the extinction of native species. It is estimated that over 8 million tons of trash every year are dumped in the ocean. Many species of fish, birds, and turtles consume these trash, thinking of it as food and die.^[4]