Airport proposals need care, officials say

Nigeria South Africa Ghana Senegal Uganda Kenya Egypt Morocco Zimbabwe Sudan Tanzania Algeria Ethiopia Libya Zambia Somalia Ivory Coast Mozambique Tunisia

India Iran Malaysia Pakistan Indonesia South Korea Japan Turkey China Saudi Arabia Philippines United Arab Emirates Bangladesh Singapore Israel Vietnam Thailand Cambodia Nepal Yemen Taiwan Palestine North Korea Iraq Syria Kazakhstan Afghanistan Qatar Lebanon Kuwait Jordan Sri Lanka Laos

United Kingdom France Ukraine Russia Germany Italy Spain Poland Portugal Netherlands Ireland Greece Austria Switzerland Romania Denmark Belgium Finland Czech Republic Hungary Sweden Norway Belarus Bulgaria Croatia Georgia Slovakia Slovenia Iceland

United States Mexico Canada Dominican Republic Jamaica Guatemala Costa Rica Panama Bahamas Cuba Belize El Salvador Puerto Rico Honduras Haiti Nicaragua Barbados

Brazil Peru Argentina Venezuela Colombia Bolivia Ecuador Chile Uruguay Paraguay

Australia New Zealand Fiji Papua New Guinea