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What is the origin of International Polar Bear Day? How can we protect polar bears?
Since 1950s, the greenhouse effect has become more and more obvious due to the more and more extensive use of fossil fuels. Arctic sea ice has melted a lot and sea level has risen, which has changed the living environment of polar bears. Environmental organizations began to make appeals for the survival of polar bears. 1973, the United States, Denmark, Norway and SL signed the International Agreement on the Protection of Polar Bears and Their Habitats. The agreement strictly regulates commercial hunting. 1994 established a non-profit organization-Polar Bear International Association (PBI), whose mission is to make plans to protect polar bears. 20 1 1, Polar Bear International designated February 27th as the International Polar Bear Day. February 27th coincides with the time when the polar bear mother and cubs are sleeping in their nests.
It is difficult to accurately estimate the size and trend of polar bear population, because they are distributed in remote Arctic regions, with a wide distribution area and low population density. As of 20 15, IUCN estimated that the global polar bear population was 22,000-31000. The threats faced by polar bears include climate change, toxic pollutants, shipping, damage caused by oil and gas exploration and development, and conflicts with humans.
How to protect polar bears? First of all, we must strictly manage the hunting behavior of polar bears. At present, only a few aborigines are allowed to legally hunt polar bears, and there are quotas every year. Second, environmental damage caused by marine pollution, shipping, oil and gas exploration and development should be reduced. Polar bears are defined as marine mammals because most of their food comes from the ocean. Marine pollution enriches the toxic substances in polar bears, which leads to the increasing probability of immune system defects in their offspring. But the most important thing is to reduce greenhouse gas emissions, such as the peak carbon dioxide emissions and carbon neutrality implemented in China.
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