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    which statement provides the best argument against making major changes to the atmosphere to help protect earth’s resources? there will be less soil and dust in the air as construction increases. the atmosphere will improve as more people move to large cities. making major changes to the atmosphere can be a costly process. it is more important to protect land and water resources than the atmosphere.

    James

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    get which statement provides the best argument against making major changes to the atmosphere to help protect earth’s resources? there will be less soil and dust in the air as construction increases. the atmosphere will improve as more people move to large cities. making major changes to the atmosphere can be a costly process. it is more important to protect land and water resources than the atmosphere. from EN Bilgi.

    Human Impact on Resources Quiz Review

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    Which statement provides the best argument against making major changes to the atmosphere to help protect Earth’s resources?

    There will be less soil and dust in the air as construction increases.

    The atmosphere will improve as more people move to large cities.

    Making major changes to the atmosphere can be a costly process.

    It is more important to protect land and water resources than the atmosphere.

    Human Impact on Resources Quiz Review

    Source : quizizz.com

    What you can do about air pollution

    There are many small, but critical sources of air pollution in our homes and neighborhoods. Such sources — vehicles, construction equipment, lawn mowers, dry cleaners, backyard fires, and auto-body shops — are located where we live and work.

    Green lawn chairs face smoky fire pit in backyard

    There are many small, but critical sources of air pollution in our homes and neighborhoods. Such sources — vehicles, construction equipment, lawn mowers, dry cleaners, backyard fires, and auto-body shops — are located where we live and work. Total emissions from these smaller but widespread sources are significantly greater than all the industrial sources in the state combined.

    To prevent pollution from these sources, the MPCA provides education, guidance, and incentives for reducing air pollution. We have programs for businesses, cities, nonprofits, and communities that address a range of environmental problems, including air quality.

    Air pollution prevention programs for businesses, nonprofits, and cities

    An important part of the MPCA’s work is with partners in the non-profit, for-profit, and governmental sectors to develop innovative, voluntary programs to help Minnesotans reduce their contributions to air pollution. If you are a business owner, would like your city to be involved in improving air quality, or would like to help a new environmental professional get started in their career, you might be interested in the following programs:

    GreenStep Cities: City and county officials and other local community members have a role to play in improving air quality. Local governments can help by passing local ordinances, creating incentives for beneficial behaviors, and promoting and educating residents on best practices.

    Business assistance: The Small Business Environmental Assistance Program helps Minnesota businesses comply with environmental rules, reduce wastes and emissions, and reduce regulatory obligations.

    Funding opportunities for small businesses: Grants and low-interest environmental loans are available to help small businesses meet or exceed environmental regulations.

    MPCA Clean Diesel Grants: Financial assistance for clean diesel projects.

    Minnesota GreenCorps: An AmeriCorps program coordinated by the MPCA that places members with organizations around the state to address environmental issues, including air quality. Nonprofit, government and school districts are eligible to host members to work on qualified projects.

    What you can do about air pollution

    Source : www.pca.state.mn.us

    History of Reducing Air Pollution from Transportation in the United States

    For a history of how air pollution from transportation in the US has been reduced.

    The Problem—Increasing Air Pollution in Cities in the mid-1900's

    After World War II, economic growth, population growth, rapid suburbanization, and the closing of some public transit systems led to more reliance on personal vehicles for transportation. The number of cars and trucks in the United States increased dramatically, as did the number of highways. One result of the rapid increase of motor vehicles was air pollution, especially in cities, that had serious impacts on public health and the environment.

    Historic Success of the Clean Air Act

    Congress passed the landmark Clean Air Act in 1970 and gave the newly-formed EPA the legal authority to regulate pollution from cars and other forms of transportation. EPA and the State of California have led the national effort to reduce vehicle pollution by adopting increasingly stringent standards.

    The U.S. vehicle pollution control under the Clean Air Act is a major success story by many measures:

    Reducing pollution from transportation sources has led to healthier air for Americans.  In cities, smog has been visibly reduced. Just compare the images of New York City below.

    New York City: 1973 vs. 2013.

    New York City in 2013 (cleaner)

    New York City in 1973 (polluted)

    Source: EPA Documerica "Then and Now Challenge"

    Pollution from vehicles, engines, and fuels dramatically reduced while achieving economic growth

    Over forty years of clean air policies have improved air quality and improved the health of Americans, and the environment. Since 1970, EPA has set and implemented emissions standards to control pollution from everything from passenger vehicles, heavy duty trucks and buses, construction and farm equipment, locomotive and marine engine and even lawn and garden equipment.  These standards are a critical part of the progress and improved air quality we have achieved despite increased economic activity and more miles traveled on average per person.

    This chart shows economic growth has occurred while emissions of air pollutants have decreased.

    Cleaner Cars, Trucks, and Fuels

    Compared to 1970 vehicle models, new cars, SUVs and pickup trucks are roughly 99 percent cleaner for common pollutants (hydrocarbons, carbon monoxide, nitrogen oxides and particle emissions). New heavy-duty trucks and buses are roughly 99 percent cleaner than 1970 models.  

    cleaner cars over time

    Lead Removed from Gasoline

    Motor vehicles were once the major contributor of lead emissions.  EPA began to phase out lead in gasoline starting in the 1970’s and leaded gasoline was fully prohibited after 1995.  As a result, levels of lead in the air decreased by 94 percent between 1980 and 1999.

    EPA standards led to parallel decrease in lead content of gasoline and blood lead level of the average American.

    Spurring Innovation in Cleaner Cars, Trucks, and Fuels

    EPA vehicle emissions standards directly sparked the development and implementation of a range of technologies.The automotive catalytic converter, in particular is considered to be one of the great environmental inventions of all time.   

    Emissions standards led to the adoption of many modern automotive technologies—computers, fuel injection, and on-board diagnostics—resulting in cars that are not only much cleaner, but also higher quality, more reliable, and more durable.

    The vehicle emissions control industry employs approximately 65,000 Americans with domestic annual sales of $26 billion1.

    1https://www.epa.gov/clean-air-act-overview/clean-air-act-and-economy#technology

    Contributions to the U.S. Economy

    Efforts to reduce air pollution from transportation have proven to be cost effective.  For every one dollar spent on programs to reduce emissions, the American people receive nine dollars of benefits to public health and the environment.

    Every dollar spent to reduce emissions from mobile sources under the Clean Air Act results in nine dollars of benefits to public health, the environment, productivity, and consumer savings

    Timeline of Major Accomplishments

    Air pollution and cars were first linked in the early 1950’s by a California researcher who determined that pollutants from traffic was to blame for the smoggy skies over Los Angeles. At the time, typical new cars were emitting nearly 13 grams per mile hydrocarbons (HC), 3.6 grams per mile nitrogen oxides (NOx), and 87grams per mile carbon monoxide (CO). Since then, the U.S. Environmental Protection Agency (EPA) has set standards to bring down levels of these pollutants, and the auto industry has responded by developing new emission control technologies.

    The Road Ahead

    Despite our successes, many places in the United States still have poor local air quality and there is more to be done. EPA is now taking on the critical challenge of climate change.  Carbon pollution  from burning fossil fuels is rapidly changing the earth’s climate. The transportation sector is one of the largest sources of carbon pollution in the U.S. EPA has set carbon emissions standards for passenger cars and trucks, onroad heavy duty trucks and buses, and is now working to develop standards for aircraft.

    History of Reducing Air Pollution from Transportation in the United States

    Source : www.epa.gov

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