updated with 5 references
added 5 references
Merge remote-tracking branch 'upstream/master'
Added 3 environmental issues for Afghanistan
Fixed duplicate Water pollution environmental issue
Added Italy under 3 environmental problems
Merge pull request #180 from jinhh/master

Added 5 references to Ethiopia
Merge pull request #181 from jinhh/master

Added Ethiopia under 3 issues
added 5 references
added 1 issue
added 1 issue
added 3 issues
added 3 issues
fixed merge
Merge pull request #177 from pdchung/master

Added Italy under 3 environmental problems
 added three issues
add 3 environmental issues
fixed merge conflicts
pakistan three issues
Added Djibouti to three environmental issues (climate change, deforestation, sea level rise.