It is now widely accepted that pollution ____ humans, the environment and buildings. Some pollution spreads across local and national ____ and lasts for many generations. For example, if the crops in our fields are sprayed carelessly, the chemicals have an immediate effect on local wildlife and can ultimately ____ in our food. Burning fossil fuels such as oil, gas and coal also ____ pollution, in particular carbon dioxide, which contributes to global ____. In our region eight out of the ten hottest years on ____ have occurred during the last decade. We should therefore ____ the use of renewable energy resources such as wind and solar energy,because these do not ____ carbon dioxide. However, the biggest single cause of pollution in our city is traffic. Poorly maintained, older vehicles and bad driving techniques ____ the problem worse, and this pollution has been directly ____ to the rising number of asthma sufferers in our region.We should be aiming to gradually ____ vehicle use in the city and educate the public on the importance of purchasing environmentally friendly vehicles and maintaining them to a high ____.

Environment B2

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