Sentences with phrase «dramatically improved the air quality»

That dramatically improved the air quality for responders and presumably reduced the number of days when the air quality was too poor and responders had to don respirators and / or had to suspend cleanup efforts.
The atmospheric concentration of benzene, for example, decreased by about 6,000 times, dramatically improving air quality.
It helps to dramatically improve air quality by reducing the airborne moulds and toxins which can lead to respiratory problems.
When the purifier uses a High Efficiency Particulate Air (HEPA) filter, a purifier can dramatically improve air quality.

Not exact matches

Humidifiers help to decrease the levels of dryness in the air dramatically, and enable you and your child to enjoy improved health and improved quality of air.
Air quality across the U.S. has improved dramatically since 1970.
But the air quality has improved dramatically in the last 25 years (as it did in many other cities in the industrialized world), largely because of well - enforced government regulations, reduced industrial output, closure of coal - fired power stations, and the switch to central heating from coal stoves.
The Conservatory is recognized as one of the world's greenest buildings.The Pittsburgh 2030 District is, according to the city's website, «a collaborative, nationally recognized, but local community of high performance buildings in Downtown and Oakland that aim to dramatically reduce energy and water consumption, transportation emissions, and improve indoor air quality while increasing competitiveness in the business environment and owner's returns on investment.»
U.S. air and water quality have improved dramatically during the past several decades because of the creation of reasonable federal standards for criteria pollutants, such as sulfur, carbon monoxide, and particulates, and allowing the affected companies to choose the most effective and least expensive means to comply.
In the U.S., starting with the 1970s, the air and water quality has been dramatically improving; the number of people who smoke has dropped like a stone; the pharmaceutical / medical / health care research complex has produced wondrous solutions for communicable diseases; and yet, despite all that good news, the overall health of Americans and their lifespans have in some respects actually declined.
Appendicitis cases increased dramatically in industrialized countries in the 19th and early 20th centuries, then decreased in the middle and late 20th century, coinciding with legislation to improve air quality.
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