Air pollution in Mongolia's capital, Ulan Bator, is among the world's worst. A thick haze often envelops the city, reducing visibility to just 20 meters. The main problem is smoke from coal-burning stoves. The number of such stoves has increased as more migrants move to the city in search of work. City officials are now trying to tackle the problem by convincing people to replace their old stoves. In this episode, we look at the battle to bring clear skies back to Ulan Bator.

Cambodia's economy is booming thanks in part to a burgeoning garment industry. Business people from other countries have opened factories in areas surrounding the capital, Phnom Penh. Many Cambodians are abandoning rural life for factory jobs and the increased economic opportunity they offer. But the process has not been smooth. Workers are demanding higher pay and other concessions from management. Factory owners are being forced to reexamine their image of Cambodia as a low-wage alternative to China.

A look at the amount of families in Nepal who cannot afford to send their children into school.

Following the lives of those who lived through the devastating typhoon that hit the Philippines in November 2013.

In spite of rapid economic growth in Mongolia's capital, Ulan Bator, the gap between rich and poor is widening with insufficient employment for former nomads flocking to the city. Many children choose to leave their poverty stricken homes and around 400 live on the city streets, enduring sub-zero conditions during the winter.

PM2.5 - tiny particulate matter - is the main cause of the air pollution currently plaguing China. The air quality in Beijing is reaching critical levels and it seems that China is paying the price for its voracious economic development. With the health of Beijing's residents at risk, in this episode we take a look at how authorities, scientists, the business sectors and locals are dealing with this issue.

Although strong economic growth is taking place in Cambodia's capital city, rural Cambodia - home to 80% of the country's population - remains impoverished. In order to raise the standard of living there, the government has turned its attention to the production of processed rice - otherwise known as white gold.

Chinese New Year is traditionally a time for people in China to spend time with their families. Migrants living and working in major cities typically return en masse to their hometowns. But the number of people who choose not to go home is increasing. Some remain in the cities to work and earn extra money. Others are hesitant to spend time with their families. This episode looks at migrants who decide to stay put, and what it means for a time-honored Chinese custom.

The Cambodian fashion industry could be about to bloom. Until recently, overseas brands and trends have been all the rage but some youngsters are beginning to develop their own styles and seek careers as designers. Many of their designs maintain a Cambodian flair and are starting to gain attention in international fashion circles. In this episode, we follow a young designer as he struggles to prepare for his first ever collection and other players in Cambodia's budding fashion world.

South Korea is home to a growing legion of lonely men. They are fathers whose wives and kids have gone overseas so the children can receive an international education. Goose fathers juggle the burden of providing for their families while dealing with the stress of living all alone. Such sacrifices cause some men to become depressed. In this episode, we talk to several goose fathers who have given up the comforts of family life in the hope of giving their children a bright future.

For 20 years, not a single commercial film was made in the Lao People's Democratic Republic. Now, a group of young filmmakers is turning things around. They are short on funds and equipment, and government censors curb their creative freedom. But they make up for such limitations with passion and drive. In this episode, we follow the founders of Lao New Wave Cinema, a film production company that is charting a new path in a socialist country and inspiring the next generation.

In deprived Filipino districts, it's common for children to record poor attendances after starting school and some drop out altogether. Even though children have the right for free education in the Philippines, many parents simply can't afford to pay for uniforms and study materials. Some kids end up helping to support their families by going out to work. An innovative mobile school project has emerged which aims to reduce the number of children who've abandoned their schooling. Through visiting poor neighborhoods with books and study materials stacked on to pushcarts, they are providing kids with hope for the future.

Over 26,000 North Koreans have now defected to South Korea. Seoul has many measures in place to resettle these defectors, as it considers their acceptance into South Korean society as one way to unify the Korean peninsula. Despite these measures, defectors often face hurdles in the South, and because of this, many have been trying to move on to other countries in recent years. This episode of Asia Insight focuses on the North Koreans who fled from their homes and are struggling to integrate into their new communities.

During the Vietnam War, vast amounts of defoliant were released by the US military in order to destroy the tropical forests that concealed guerilla fighters. The dioxins contained in the defoliant destroyed foliage and soil, creating toxic hotspots and areas where only grass can grow even today. In this episode, we follow the 40-year campaign of Dr. Quy to restore the Vietnamese rainforests to their former glory.

Singapore had actively encouraged immigration and foreign investment over the past few decades in a bid to trigger economic growth. On the assumption that the nation's only resource was its labor force, various measures were put in place to bring in more workers. Including people with permanent residency, almost 40% of the small nation state's people are now foreign nationals. In this episode of Asia Insight, we follow the discord caused by Singapore's immigration policy almost half a century after its independence.

In impoverished areas of the Philippines, many households cannot afford electricity and don't use their lights. As the homes are so densely packed, they block sunlight and remain in darkness even during the day. Illac Diaz is a social entrepreneur who is striving to help those in this situation by promoting the use of an ingenious method of lighting using plastic bottles. This episode of Asia Insight focuses on his project and the lives of those who struggle to find adequate sources of lighting in the Philippines.

In China, roughly 100,000 children are abandoned by their parents each year. Many suffer from illness or disability. Shanghai is one of the first Chinese cities to address the issue with one hospital taking in more than 500 unwanted children over the past 9 years. There has also been an increase in so-called baby hatches as there are concerns over infants left in life-threatening environments. This episode of Asia Insight follows some of the people at the frontline in protecting China's abandoned children.

Abu Dhabi is the capital of the United Arab Emirates and with its rich oil resources, it is also the most affluent emirate. TV dramas produced here are already popular throughout the Arab countries of the Persian Gulf Region and they focus on everyday life in the emirate, including such taboo subjects as trouble with domestic staff. In this week's episode, we take a look at the TV drama industry in Abu Dhabi.

Rural farming villages in China are faced with a multitude of problems including poverty, environmental destruction and depopulation caused by villagers migrating to cities. A local artist is tackling these issues at a grass roots level through projects which aim at restoring villages based on traditional construction designs and eco-friendly values. Through such efforts, his NGO hopes to help attract more tourists to rural parts and bring locals back. This episode of Asia Insight follows his group's work to revitalize villages all over China.

Qatar is a small country in the Middle East with a population of 2 million people. Although it is blessed with natural resources such as oil and natural gas, the government realizes that one day these resources will be exhausted. It has started, therefore, to invest vast amounts of money in other sectors, including the world of sports.

The Cambodian norry is an improvised rail vehicle, which carries passengers and cargo from rural to urban areas using unused railroad tracks. They have long been a vital way for Cambodians to get around, especially in rural parts where infrastructure is very basic. Now, amidst brisk economic growth, roads are being built and a plan is being implemented to revive the rail system and reopen neglected lines. The norry is gradually becoming obsolete but one operator is determined to continue his business. In this episode, we follow his efforts to survive in the rapidly changing Cambodia.

In South Korea, approximately 10,000 children are born to single mothers who never married every year, and in the 50 years between 1956 and 2006 around 100,000 infants were adopted away from the country. Due to the strong influence of Confucianism, having a child out of wedlock has long been a taboo and traditionally frowned upon by South Koreans. Unwed single mothers are often disowned by their families and have nowhere to go. Several years ago, a group of unwed mothers decided to take action and founded an organization to share their experiences and seek understanding and support.

As Hong Kong's economy steadily merges with mainland China following its handover from British colonial rule 17 years ago, Beijing's influence over the city continues to strengthen. But demands for universal suffrage are growing as the Hong Kong public becomes increasingly concerned about Beijing's approach, after being promised a large degree of autonomy under the One Country Two Systems policy. On July 1, the day of the handover's 17th anniversary, tens of thousands of people marched across the city to demand democratic elections and express their opposition at Beijing's tightening control. In this episode, we follow some of the young activists and people at the frontline of protests who fear for Hong Kong's future.

More and more South Koreans who want to get married are finding it increasingly difficult to find a partner. The issue is particularly serious among men, where the average age of marriage is 32, the highest figure in Asia. In recent years, many singles have been turning to unconventional methods and depending on matchmakers for help. These go-betweens range from a Buddhist priest to an agency that introduces North Korean defectors. In this episode, we follow some of the single men in South Korea who are finding a partner and report on the country's changing face of matchmaking.

Some young Chinese photographers are starting to gain worldwide attention for their distinctive and edgy portrayals of modern China. Their work depicts the anxieties and struggles of a repressed youth and is normally censored from being distributed in mainstream markets. The only way for these photographers to get their work out into the world is by using the internet for self-promotion and publishing books overseas. In this episode, we follow a new generation of Chinese photographers who painstakingly capture the reality of modern China.