In the era of the 21st century, environmental problems such as water pollution, air pollution and global warming are essential issues that need to be tackled.
In recent years, one typical issue has been actively discussed on is the effects of the harmful gases emitted into the atmosphere. According to some scientific researches, gases such as Carbon Dioxide released in the air has substantially contributed to global warming and severe air pollution issues in many cities. The fact is, gases emitted in the air do not only linger around the countries or cities that they originated.
Developing countries where there are intensive industrialisation and coal burning power plants are usually to be blamed for such pollution cases. A good example is in Hong Kong, where its air quality has been affected by southern China's manufacturing activities exhaling inimical gases in the atmosphere. As a result, citizens’ health are affected, and businesses activities (e.g. retail) are impacted too, as people would be less likely to wander out of their offices and homes, or even to a point where business people suspend travel to the city.
In conclusion, a number of environmental problems now affect our entire planet. As globalization persists, initial domestic environmental problems expanded into international issues, they remain huge challenges to be managed by individual persons or countries alone. Rather, there should be a concerted effort of the world communities and governments to address these issues before they get out of hand, or as some environmentalists say it: reach a point of no return.
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