Urban REDESIGNING / RENOVATION / RETROFITTING involves finding creative ways to use spaces that already exist in the city, such as converting parking places into INSTANT / POP-UP / FLASH green spaces where residents can sit and relax.

A variety of economic and social, as well as historical, factors have contributed ? the rapid growth of cities around the world.

The availability of cheaper housing often leads people ? settle in the outskirts of cities.

Due to the housing LACK / LIMITS / SHORTAGE, some politicians are calling for a ban on new housing developments in the green BELT / SPACE / ZONE

Training has taught them self-discipline and given them a new BELIEF / SENSATION / SENSE of purpose .

One of the major drawbacks of living in isolated,LOW-LEVEL / LOW-NUMBER / LOW-DENSITY communities is that it makes people overly dependent on cars.

The closure of the youth centre last year has led to an increase in vandalism and SMALL / PETTY / LITTLE / UNIMPORTANT crime .

The severe weather has put a lot of pressure ? the city’s energy resources.

These are all great ideas. However, I think we need to BARE / BEAR / BEER in mind that ...

GROWING / DEVELOPING / BUILDING countries.

Efforts to improve life for urban residents have resulted ? some highly innovative schemes, such as rooftop gardens and pop-up green spaces.

A community garden would help bring people closer FOR / TO / WITH / BY nature , and it’d give them access to fresh, healthy food.

Within the next 50 years, over a third of the world’s population could be living in shanty SLUMS / TOWNS / CITIES, with no sanitation or access to clean water or electricity.