We track four people on their journey.
Why Iraqi refugees abandon Europe and return home
01 Jul 2013 11:46 GMT | Business & Economy, US & Canada, Canada
Sustainable food campaigners want to introduce a new feature on our menus - insects.
They are small and packed with nutrition, but some may find them hard to stomach.
Al Jazeera's Daniel Lak reports from Toronto, Canada.
Source: Al Jazeera
Report says insects, which contain lots of protein and minerals, are environment-friendly and could help fight obesity.
Business & Economy, Environment, Europe
Mining company wants to invest more than $1bn to reclaim gold ore, but not everyone welcomes venture.
Business & Economy, Europe, US & Canada, Canada, Greece
Transport apps are revolutionising commutes for the middle classes, but poorer citizens still face daily gridlock.
Poverty & Development, Asia, India
Cubans get amnesty at the US border, but reaching it involves a risky journey along the Central American migrant trail.
Human Rights, Latin America, Cuba
In many ways, Michael is just like any other 11-year-old, but he has had four open heart surgeries.
Health, US & Canada
Follow a dancer through the exhaustion and jubilation of Peru's days-long Virgin of Candelaria festival.
Arts & Culture, Latin America, Peru
More than 70 killed in attacks at camp in Borno state for people displaced by Boko Haram-related violence.
Nigeria, War & Conflict, Africa
Syrian government's offensive in Aleppo province has killed 500, monitor says, as Russia denies targeting civilians.
War & Conflict, Syrian Civil War, Middle East, Syria, Russia
We travel to Chile to meet a group of young scientists determined to develop smart plant-based food to save the planet.
Science & Technology, Chile, Food
We follow the journey of a plastic bottle to find out what it takes to truly recycle the product creating zero waste.
Science & Technology, US & Canada, Environment
A couple working to protect LA communities from gang violence is caught in the crossfire of the US war on gangs.
Politics, Gang violence, US
South Koreans drink twice as much liquor as Russians, but is this national obsession with alcohol reversible?
Health, Asia, South Korea