Region
Afghanistan
8
Africa
9
Africa, East
1
Africa, North
1
Africa, Southern
1
Africa, Sub-Saharan
1
Aims and objectives
1
Alabama
1
Alaska
2
Angola
1
Arctic regions
1
Argentina
1
Arkansas
1
Asia
7
Asia, Central
1
Australasia
1
Australia
12
Australian
1
Austria
1
Baltic States
1
Bavaria
1
Belgium
2
Bend
1
Berkeley
1
Bethesda
1
Bolivia
2
Bosnia and Herzegovina
3
Bouches-du-Rhône
3
Brazil
12
British Columbia
1
Buffalo
2
Cali
1
California
23
California, Southern
1
Cambridge
1
Canada
16
Carribean Area
1
Chile
6
China
23
Clark County
2
Cleveland
1
Colombia
16
Connecticut
2
Cuba
4
Czech Republic
1
Davidson County
1
Developing countries
6
East Asia
3
Education
1
Egypt
1
more ...