Urban change in UK

Question 1

what is the UK’s largest and second largest city?

Answer 1

1st- London

2nd- Birmingham

Question 2

How can urban areas become more sustainable?

Answer 2

Water conservation- dual flush toilets. collecting rainwater, water metres
Energy Conservation- insulation, double and triple glazing, low energy lighting/appliances
Waste recycling- recycling waste,
Creating green spaces- increasing parks and planting more trees