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  • No, greenhouse gases are useful for keeping the earth warm. In fact, they have kept the earth warm enough for life for millions of years.
  • When levels of greenhouse gas increase in the atmosphere, then they are considered harmful, as they trap extra heat that is causing global warming.
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10y ago
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10y ago

No. Nitrogen and oxygen are the two main constituents of the atmosphere and are not greenhouse gasses. Both are essential to life on Earth, especially oxygen.

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Q: Are greenhouse gases always considered harmful?
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Related questions

What releases harmful greenhouse gases?

Many things, like:petrolpesticidescarsbatteriesfossil fuels


What countries are the top producers of harmful greenhouse gases?

China has recently become the biggest annualproducer of greenhouse gases. The US remains the leader in overall amounts produced.


Harmful particles and gases in the air are known as what?

The particles are known as pollution, aerosols, or particulates, and the harmful gases might be anthropocentric greenhouse gases like carbon dioxide (CO2) and methane (CH4).


Are all CFCs greenhouse gasses?

Yes, even though they are primarily harmful because of their effect on ozone depletion. CFCs have both effects. The two effects are different. The ozone depletion is worse.


Why coal is harmfull for atmosphere?

The burning of fossil fuels by nature releases harmful greenhouse gases.


Is coal fossil fuel safe or harmful to the environment?

unsafe cause it lets out greenhouse gases


Which countries or region are the top producers of harmful greenhouse gases?

China is the first, followed by the USA.


Why are green house gases considered pollution?

Greenhouse gases are not necessarily pollution. In fact, the main greenhouse gases, water vapour and carbon dioxide are certainly not pollutants. On the other hand, ozone is a greenhouse gas and a pollutant, because it can be injurious to human health. Although not a pollutant in the normal sense, increased atmospheric levels of carbon dioxide do lead to global warming, which does have a harmful impact on our environment.


How greenhouse gases can be both good for life on earth as well as harmful?

Greenhouse gases aren't a bad thing without them it would be too cold on Earth for most living things to survive


What are some harmful gases and their effect on the environment?

Greenhouse gases like carbon dioxide are building up in the atmosphere and causing global warming.


How can you use the term greenhouse gases in a sentence?

The greenhouse gases contribute to the greenhouse effect. Greenhouse gases are inescapable.


Why are lead compounds added to petrol and how it is harmful?

lead compounds are harmful if added to petrol as it cause cancer, poison the catalytic converter (use to convert harmful gases into less harmful gases/harmless, emmision of greenhouse gases and increase the amount of oxides of nitrogen which results in acid rain.