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16 tháng 1 2020
Air pollution is a change in the composition of air. Mainly due to smoke, dust, vapors or toxic gases that cause climate change, adversely affect human health or may damage the natural environment of many other species.
Air pollution is the cause of the risk of stroke, neurasthenia, cardiovascular disease, cancer, and a range of respiratory diseases such as asthma, pneumonia, even lung cancer is increasing. .
Air pollution is divided into two types, including outdoor air pollution and indoor air pollution. In particular, outdoor air pollution is a major factor causing serious impacts on the environment and human health in developed and developing countries. The cause of pollution comes from various sources such as traffic emissions, industrial plants, from agricultural production and some natural causes such as forest fires, desert dust, volcanoes.
Besides, we also face indoor air pollution. Pollution sources include cigarette smoke, charcoal, wood, chemicals in paint or cleaning products, air-conditioning gases and some substances in construction materials.
16 tháng 11 2019
Travelling can be an expensive hobby but it also is compensates the financial loss with all benefit. If a travelers have interest in life and its manifestations, they can find much to keep themself happy and absorbed. One can definitely find everything that satisfies his intellectual and sensuous cravings.
As a hobby, travelling keeps us busy during leisure time; it is the best method to use time. Till a person breaks from dull routine, physically and mentally; one cannot find satisfaction. Travelling helps us to achieve this break. At a new place, one is curious to know and eager to gather all the unknown information about the place which he has neither read nor heard before he gets thrills and surprises which keep the interest and enthusiasm alive and encourages us to keep our journey on.
While travelling, one comes across a number of people from varied backgrounds and places. By interacting with them, he comes to know about their heritages also. In case one has psychological bent of mind, one increases one’s experience and power to understand others. Understanding human nature is, perhaps, the best part of education. Travelling satisfies all demands of a good hobby – it is absorbing education and refreshment to the mind, body and soul.
