Focus: Ecological problems of cities and their solution.
Grammar focus: Present perfect simple, clauses of purpose
Skills focus: Reading for specific information; learn to analyze the problem of pollution and look for the ways of its solution; writing for suggesting ways to improve the situation and explaining the results of each suggestion.
Vocabulary:
soil – ïî÷âà
lifespan – æèçíåííûé îòðåçîê, äëèòåëüíîñòü ñóùåñòâîâàíèÿ
urgent need – îñòðàÿ íåîáõîäèìîñòü
highway – áîëüøàÿ äîðîãà, ìàãèñòðàëü, øîññå
to ban – çàïðåùàòü
exhaust – âûïóñê, âûõëîï
unleaded petrol – íåýòèëèðîâàííûé áåíçèí
greenhouse effect – òåïëè÷íûé ýôôåêò
congested road – ïåðåãðóæåííûå äîðîãè
biodegradable materials – ðàçëàãàåìûå ìèêðîîðãàíèçìàìè ìàòåðèàëû
environmentally friendly materials – ýêîëîãè÷åñêè ÷èñòûå/ ïðèåìëåìûå ìàòåðèàëû
drinking water – ïèòüåâàÿ âîäà
1 Do you know that:
· The most common form of drinking water pollution: soil, sand and minerals washed from the land into the water.
· The biggest cause of air pollution in cities (85%): cars, trucks and buses.
· Amount of garbage produced in the US per year: 144 million tons.
· Amount of garbage thrown away by the average North American per day: 3 kilograms.
· Expected lifespan of a plastic container buried in the ground: 50, 000 years.
Discussion: In pairs try to find an answer to the following questions:
What are the main sources of pollution in your city?
How is garbage disposal controlled in your city?
What are two reasons for and two against using plastic containers?
2.Match information in columns A and B to make sentences then compare them with your partner: