What is a potentially harmful substance that humans add to an ecosystem?

What is a potentially harmful substance that humans add to an ecosystem?

Any potentially harmful substance that humans add to an ecosystem A) is called pollution.

What is the effect of pollution on humans?

Short term exposure to air pollution can irritate the eyes, nose and throat and cause upper respiratory infections, headaches, nausea and allergic reactions. Long-term exposures can lead to chronic respiratory disease, lung cancer, and heart disease.

What are the effects of air pollution on the environment?

Air pollution can damage crops and trees in a variety of ways. Ground-level ozone can lead to reductions in agricultural crop and commercial forest yields, reduced growth and survivability of tree seedlings, and increased plant susceptibility to disease, pests and other environmental stresses (such as harsh weather).

How can you die from air pollution?

From smog hanging over cities to smoke inside the home, air pollution poses a major threat to health and climate. Ambient air pollution accounts for an estimated 4.2 million deaths per year due to stroke, heart disease, lung cancer, acute and chronic respiratory diseases.

How can we prevent soil pollution?

Soil pollution can be controlled by the following measures:

1. By reducing the use of plastics, we can reduce soil pollution.
2. By controlling the use of chemical fertilisers and pesticides, we can control soil pollution.
3. Treating industrial waste before releasing.

What are the steps taken by the government to reduce air pollution?

To control air pollution Government of India has taken some steps. According to Motor Vehicles Act, 1988 petrol driven vehicles are needed compulsory PUC (Pollution Under Control) certificate for low emission of carbon-monoxide and hydrocarbons.

What are the precautions taken by the government to control the pollution?

1- Greening of the health sector to minimize its pollution emissions. 2- Build safe and affordable public transport systems and pedestrian- and cycle-friendly networks. 3- Invest in energy-efficient housing and power generation. 4- Improve industry and municipal waste management.

Which country is more polluted India or China?

Chinese cities see major drop in pollution India ranked fifth, behind Bangladesh, Pakistan, Mongolia and Afghanistan — countries with the worst PM2. 5 pollution, according to the 2019 World Air Quality Report, jointly released by IQAir Group and Greenpeace.