Sentences with phrase «harmful nitrogen dioxide»

Not exact matches

More automobiles on the road and more factories at the roadside mean greater levels of nitrogen dioxide and other potentially harmful pollutants.

It has also reduced 90 percent of harmful pollutants such as mercury, sulfur dioxide, nitrogen oxide, ozone and particulate matter.

Other harmful emissions, including sulfur dioxide, nitrogen oxide and particulate matter, dropped similarly.

Ground - level ozone, sulfur dioxide, nitrogen dioxide carbon monoxide are especially harmful for senior citizens, children, and people with heart and lung conditions such as emphysema, bronchitis, and asthma.

RMIT University researchers have created wearable sensor patches that detect harmful UV radiation and dangerous, toxic gases such as hydrogen and nitrogen dioxide.

The study finds that titanium dioxide coatings, seen as promising for their role in breaking down airborne pollutants on contact, are likely in real - world conditions to convert abundant ammonia to nitrogen oxide, the key precursor of harmful ozone pollution.

In automobiles, researchers have struggled to develop a system that seamlessly and easily converts pollutants like nitrogen oxides and carbon monoxide to less harmful nitrogen and carbon dioxide — without using a lot of energy.

According to the Chinese Centre for Disease Control and Prevention, the burning of coal is responsible for 70 percent of the emissions of soot that clouds out the sun in so much of China; 85 percent of sulfur dioxide, which causes acid rain and smog; and 67 percent of nitrogen oxide, a precursor to harmful ground level ozone.

The rule upheld today requires power plants in 28 states to clean up nitrogen oxide and sulfur dioxide pollution that drifts across state borders and contributes to harmful soot (particles) and smog (ozone) pollution in downwind states.

Acid rain: Also called acid precipitation or acid deposition, acid rain is precipitation containing harmful amounts of nitric and sulfuric acids formed primarily by sulfur dioxide and nitrogen oxides released into the atmosphere when fossil fuels are burned.

Annual emissions of harmful air pollutants such as sulphur dioxide, nitrogen oxides and particulate matter will also increase by tens of thousands of tonnes, with potential social costs of USD170 million per year.

Particles of partly burned fuel, sulphur dioxide, oxides of nitrogen, mercury, and other substances harmful to health are released following the burning of fossil fuels.

Proven harmful substances released into the atmosphere by the burning of fossil fuels include: particulate matter, sulphur dioxide, oxides of nitrogen, carbon monoxide and mercury; among others.

Ground - level ozone, carbon monoxide, and nitrogen dioxide are all known as criteria air pollutants, regulated by the EPA due to their harmful health effects.