Revealing the time when humans began to destroy the Earth

People began to dominate the Earth and caused irreversible damage to our planet around 1610, according to a new study.

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Milestones that mark people destroy the Earth

Experts have long disagreed about the time when humanity began to cause a long-term impact on Earth's geology. Some of them said it was probably 1964 when radioactive dust from the nuclear test became apparent.

However, British researchers now discover that it was 1610, because of the impact of the irreversible transformation of plants and species between the new and old worlds.

Researchers from UCL (UK) emphasized that in 1610 the beginning of the human-dominated geologic era, called Anthropocene.

Previous epochs began and ended due to the intense attacks of meteorites, volcanic eruptions and changes of continents. However, human activities are currently altering the planet and creating a new geological record.

According to research reports published in Nature, to identify a geological record, scientists must accurately identify and indicate the timing of a global environmental change, which is imprinted in objects. natural materials, such as rocks, ancient ice or sediments on the ocean floor. Such an indication, like the chemical sign remaining after the attack on the Earth's dinosaurs, was called a golden landmark.

When comparing the large environmental effects of human activities during the past 50,000 years with the above two official requirements, the research team only saw two potential time points starting the Anthropocene century of 1610, when impacted. of the discovery of America began to decline and in 1964.

Scientists say that the arrival of Europeans in the Americas in 1492 and subsequent global trade has brought species to new continents and oceans to an unprecedented level, leading to the reorganization of global life on Earth. They also discovered a golden milestone at the same time - a clear imprint of carbon dioxide in the atmosphere centered in 1610 and in records of the Antarctic ice core.

Dr. Simon Lewis, a member of the research team explained: " Many historians consider the import of agriculture from the vast new lands of the Americas into Europe, along with the use of common coal like 2. The essential premise of the Industrial Revolution, which will lead to further waves of global environmental changes, geologically, also limits the global synchronized cool times of the land before the long-term global warming of the Anthropocene century ".

Dr. Lewis added that, although 1964 saw the peak of radioactive dust after atomic weapons tests, this was not an incident of changing geology in geology.

However, the final decision on whether to officially recognize the Anthropocene century, including its start, is expected to be made by the international scientific community by 2016.