Almost half the world's population now live in urban ____ and, as Cities grow even larger, conditions for city dwellers are ____ to get worse. Two of the most crucial problems, it ____ be argued, are housing and waste disposal. Of these, housing is ____ the most serious. People ____ clean, safe accommodation in which to live and raise their families. However, ____ populations rise, some people are forced to move to unsuitable housing which ____ lack such basic services as clean water and electricity, while others may actually become homeless. Any civilized society ____ try to prevent this situation. It is ____ essential for the authorities in major cities to take responsibility for the wellbeing of their poorest citizens and make the provision of secure, affordable housing a priority in their planning and budgeting. Waste disposal may seem a more trivial problem but uncollected rubbish is ____ potentially dangerous but ____ also cause serious diseases. In the past, waste disposal was cheap and easy, as much rubbish was ____ dumped in a convenient place. Today, however, there are ____ problems, including increased transport costs, ____ make waste disposal expensive, and a shortage of suitable space for depositing waste. The obvious answer is for communities to create less rubbish in the first place. Manufacturers ____ be persuaded to reduce the amount of packaging they produce, and people ____ to recycle their household waste efficiently. In conclusion, it is ____ that these are complex problems which will not be solved easily. ____ unless we take steps to ____ them now they will represent even more serious challenges in future.

Task 2: solutions to a problem essay

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