It only takes one person to make huge changes in a community. Margie Richard is one of these people. She is a great black environmental activist（活跃分子）. She has worked for many years to _____ her hometown. She has also helped other black communities fight against _____ pollution.

Even today, black people are more likely than white people to live in neighborhoods with _____ levels of air pollution. These neighborhoods are _____ near factories that pollute the air. This pollution causes people in these communities to get _____ . Richard fights against big companies（公司）that _____ these factories. She wants people in these communities to be able to breathe clean air and live _____ lives.

First, Richard spoke to scientists and environmentalists. She had to prove（证明）that the _____ was polluting the air. After more than 13 years of hard work, Richard and others put together a report. This report proved that the factory gave off（排放）2 million pounds of harmful chemicals（化学物质）into the air each year. Richard spoke to the media（媒体）about the _____ of this air pollution. She convinced（使……信服）many people _____ the country. They helped spread her message.

Finally, the oil company agreed to help people in Old Diamond. The company paid people money to move away from the factory. It also worked to _____ its factories to be less harmful to the environment.

Margie Richard believes there is still a long way to go,   _____ she continues to help other communities fight against pollution from big companies. She wants to get her ______ out to the world. She reminds people that _____ can change their community. They just have to speak up and take _____!