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Air pollution can occur naturally or be caused by human activities. [3] Air pollution causes around 7 million deaths each year. [4] [5] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
Based on annual air pollution data gathered in the cities of Belo Horizonte, Fortaleza, Porto Alegre, Rio de Janeiro, São Paulo, and Vitória between the years of 1998 and 2005, 5% of total annual deaths in the age groups of children age five and younger and adults age 65 and older were attributed to air pollution levels in these cities. [18]
Vice versa, in densely populated and industrialized regions the air quality is low. [30] Addressing the air pollution in big cities is often a big priority, even though the continent as a whole produces little air pollutants by international standards. Even so, air pollutants are causing a variety of health and environmental problems.
Researchers have found that the training of one large language model — like Meta's Llama 3.1 — would generate as much air pollution as a car driving round trip from New York to Los Angeles ...
It’s a slightly sweet gray haze that blurs the mountains in this part of northern Thailand to a faint outline, makes the air itself feel solid and turns breathing and swallowing painful for some.
In 2019, 24,000 deaths are estimated to be caused by air pollution, surpassing recorded fatalities due to COVID-19 pandemic as of January 2021. [5] Particulate matter pollution is the main cause of air pollution in Myanmar since it has caused over 10 percent of total deaths in the country. PM pollution has become one of the primary risk factors ...
According to Jared Diamond, the six main categories of environmental problems of China are: air pollution, water problems, soil problems, habitat destruction, biodiversity loss and mega projects. [32] Diamond also states that, "China is noted for the frequency, number, extent, and damage of its natural disasters". [32]
Air pollution in Los Angeles has caused widespread concerns. In 2012, the Public Policy Institute of California (PPIC) Survey on Californians and the Environment showed that 45% of citizens in Los Angeles consider air pollution to be a "big problem", and 47% believe that the air quality of Los Angeles is worse than it was 10 years ago. [96]