The increase in Earth's temperature is likely to lead to a new cold period, not global warming, in a direction that humanity did not expect. This conclusion was reached by researchers at the MARUM Marine and Environmental Science Center in Bremen, Germany.
According to experts, the balance of the planet's climate is not limited to maintaining carbonate and stabilizing temperature through the gradual erosion of rocks. Biological processes on Earth, especially algae, the phosphorus cycle, and the oxygen system of the ocean, also have a serious impact on global temperature.
Usually, rainwater absorbs carbon dioxide from the air and melts rocks. The substances released during this process go to the ocean and remain at the bottom for hundreds of millions of years in the form of corals and shells. Thus, the Earth acts as a natural "thermostat." However, scientists note that there have been periods in history when such a natural mechanism failed - when the entire planet was covered with ice.
New research shows that algae and phosphorus circulation strongly influence this process. As the air warms up, more phosphorus enters the water, which leads to the rapid growth of algae. They absorb carbonate from the air through photosynthesis and, upon death, carry carbon to the ocean floor. At the same time, the amount of oxygen in the water decreases, and the accumulation of phosphorus in the cyclic process increases.
As a result, large amounts of carbon are stored in the oceans, which leads to the cooling of the Earth. Researchers Hyulse and Andy Ridgewell's model showed that such "reverse cycles" caused sharp glacial periods in ancient times.
Due to the high oxygen levels in the current atmosphere, it is assumed that even if such a scenario is repeated, it will not be so severe. However, scientists emphasize that from a long-term perspective, this process could usher in a new era of climate balance for humanity.
As a reminder, according to UN data, more than 10 million hectares of forest are lost on Earth annually due to climate change. This process, in the words of scientists, poses a serious threat to "sources inhaling the breath of the Earth."
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