Find out how the people of your
community get effected by
air
and walls pollution. How
you help them
help them to over-
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can
come from it.
Answers
Answer:
Five ways to improve air quality in our cities
Air pollution poses a serious health risk in many European cities. But specific solutions are within reach.
Around 3 million deaths worldwide were linked to outdoor air pollution in 2016, according to the World Health Organization (WHO). The European Environment Agency (EEA) says air pollution is the single largest environmental health hazard in Europe. causing around 467,000 premature deaths in Europe in 2013.
The largest contributor to air pollution in European urban areas is traffic. Vehicular particulate matter poses a health risk to about 85 percent of people living in European cities, according to the EEA.
Automobiles, in particular diesel cars, are the primary source of particulate pollution. Tire particles, stirred up from the streets, also enter our lungs as we breathe.
Nitrogen oxide (NOx) emitted from cars harms our respiratory systems and may cause asthma. Diesel cars emit NOx - on average, even new models release six times as much NOx as gasoline engines.
What can be done to stem this problem?
Explanation:
1. Stricter testing and controls
New diesel trucks emit only half as much NOx as passenger cars. This is due to stricter tests and controls: Since 2013, the emission of pollutants from freight trucks and buses is monitored on Europe's roads, using portable measuring equipment. Passenger cars, on the other hand, are not tested on the road. True-to-life testing conditions and randomized monitoring of cars on the streets, as well as sanctions for those who fail to meet the limits, could help reduce NOx emission from diesel passenger cars.
2. Vehicle bans in city centers
Despite limits on air pollution in the European Union, many cities have been exceeding these limits for years. Citizens and environmental organizations have taken cities to court, and the European Commission is also taking some EU member states to task for failing to improve air quality. Some cities are seeking their own solutions: Paris, Madrid, and Athens are ready to completely ban diesel cars from city streets by 2025. Other cities implement temporary diesel car bans if smog levels are too high. In Germany, politicians are debating requiring a "blue badge" for cars that meet certain emission restrictions before they can enter cities.
3. Promoting e-mobility
The electric vehicle revolution is still a way off in most countries. Norway is one exception; one out of five cars sold there is now battery-driven. With its policies favoring e-mobility, the Norwegian government hopes that by 2025, cars with gasoline and diesel engines will not be sold anymore.
4. More space for bicycles and public transport
Alternative mobility patterns can also stem from threats posed by air pollution and climate change. Many communities are investing more in public transport and bike lanes. Especially in big cities, e-bikes are good alternatives to private cars.
5. Greening the city
Plants also help to improve a city's air quality. They convert carbon dioxide into oxygen, filter particulates out of the air, and help to cool down cities subject to the "urban heat island" effect. Parks, green belts and green roofs are very important for a city's climate. In towns like Dresden, special walls that serve as beds planted with moss have been set up in order to clean the air. One of these walls is supposed to filter as many particulates out of the air as 200 trees.
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