Problem

Hong Kong

(Q)

Tokyo

(Q)

Seoul

(Q)

Istanbul

(Q)

London

(Q)

New York

(Q)

Lagos (Q)

Informal settlements (land tenure, development approvals, building control)

N

Y

N

Y

N

N

Y/High

Traffic management and control

Y/Medium

Y

Y

Y

Y

Y

Y/High

Natural hazards (floods, earthquakes, fires)

N

Y

Y

Y

Y

Y

Y/High

Unclear responsibilities and mandates (within or between administrators)

N

N

N

N

N

N

Y/High

Uncoordinated planning

N

N

-

N

N

N

Y/High

Water management issues (both fresh water supply and waste water disposal)

Y/Medium

Y

N

Y

N

N

Y/High

Provision of continuous electricity

N

Y

N

N

N

N

Y/High

Visual pollution and refuse disposal

Y/Medium

Y

N

N

N

Y

Y/High

Air and water pollution control

Y/Medium

Y

Y

N

Y

Y

Y/High

Population growth

-

Y

-

Y

Y

Y/Low

Y