Community media are a major source of news for most of the population and contribute to the well-being and development of ordinary citizens.

UNESCO: MEDIA SERVICES

Not only do games help Facebook keep a large segment of its population coming back, they are also an increasingly important source of revenue.

FORBES: Launching Platform-Wide Changes, Facebook Seeks to Up Its Social Game

"It signals to us that the source (of the caffeine) really isn't the high population centers, possibly because they are on wastewater treatment plants, " Granek told CNN.

CNN: Researchers find caffeine in waters off Oregon

The idea that converting a small portion of deposits into equity claims in an economy with a population of barely more than 1 million could be a source of systemic risk suggests the hair-trigger character of the current situation.

FORBES: Links 18 March: After 48 Hours Near No One Likes The Cyprus Bail Out

Tourism is creating other problems for the local environment, too, including increased population density, over-dependence on wood as a fuel and construction source and the overgrazing and cutting of mountain slopes to feed livestock.

BBC: Everest's growing problem

Fish is a vital source of protein and is about to become ever more important as the world's population increases to 9 billion by 2050, said the World Bank's vice president of sustainable development, Rachel Kyte.

BBC: Davos 2013: Iceland slams Europe over fishing policy

"The economy of the population here where khat is grown will be totally crippled and people will have no source of income, " he adds.

CNN: Is narcotic khat funding terrorism?

With a large proportion of the Afro-Colombian population of the region having moved to urban areas in recent decades, their musical heritage remains an important source of community identity, whether in their home villages or in town.

UNESCO: Culture