The situation regarding Thailand’s forests is a complex story of natural wealth, historical injustice, and modern efforts to save what remains. Forests currently cover 38.7% of the country's territory, which amounts to nearly 20 million hectares. While this figure sounds significant, it is merely a fragment of the past. As recently as the mid-20th century, forests covered more than 60% of Thailand, but rapid population growth, reckless agricultural expansion, and uncontrolled commercial logging brought the country to the brink of ecological catastrophe. In recent decades, thanks to strict bans and massive tree-planting programmes, the country has managed to halt deforestation and stabilise forest cover.
Diverse forest ecosystems
Thailand’s tropical forests are biologically rich and can be divided into two broad groups based on climate and precipitation. In the wetter regions and on mountain slopes, evergreen tropical forests flourish, dominated by Dipterocarpaceae family trees, various tropical pines, and impenetrable labyrinths of bamboo and lianas. In regions with a distinct dry season, particularly in the north of the country, deciduous forests dominate, where one finds both expensive mahogany and the world’s highest-quality and most sought-after teak, which historically has been both a blessing and a curse for Thailand. Beyond the natural forests, commercial plantations play a significant role in the modern Thai landscape, where rubber trees are grown for latex production, alongside eucalyptus for the pulp and paper industry.
The destructive impact of foreign companies
Until the end of the 19th century, forests did not legally belong to a unified state, but rather to local feudal rulers and clan states in the north of the country. In the mid-19th century, when Thailand (then Siam) concluded trade agreements with Western nations, logging companies from Britain and other European colonial powers arrived in the region. They secured huge teak logging concessions and began an industrial and uncontrolled destruction of the forests.
To save the country’s resources and centralise revenue, King Chulalongkorn carried out a radical reform in 1896, establishing the Royal Forest Department and declaring all forests to be state property. In the first few decades, the department was led directly by British foresters, as locals lacked knowledge of modern forestry. The forests suffered their greatest damage after the Second World War, when the government, chasing profit, issued hundreds of new concessions, while deforestation was further intensified by the migration of poor farmers who cleared land for agriculture and opium poppies.
A strict management system
Modern Thai laws are clear – all natural forests belong to the state without exception. No private individual or company may own a single square metre of natural forest. Only artificially planted and registered commercial plantations are permitted to be in private ownership.
Forest management is divided among three major state institutions. The Royal Forest Department is responsible for forest areas that do not have special protected status. The Department of National Parks, Wildlife and Plant Conservation oversees strict nature reserves and national parks. Meanwhile, the Forest Industry Organisation operates as a state-owned enterprise that manages the state-owned commercial plantations.
The timber industry and the historic 1989 ban
The history of Thailand’s forest industry was changed forever in late 1988, when the south of the country was hit by catastrophic rainfall. Because the mountain slopes had been completely deforested, avalanches of mud and felled logs wiped out entire villages, killing more than 350 people. In the face of public outrage, the government and the King decided in January 1989 to impose a complete ban on commercial logging in all of Thailand’s natural forests.
Since then, the local timber industry has been entirely dependent on plantations, using rubber trees that have reached the end of their productive life for furniture production, and eucalyptus for paper. To meet the internal demand for high-quality timber, Thailand imports wood, purchasing logs from neighbouring countries – Myanmar, Laos, and Malaysia – indirectly contributing to deforestation in its neighbours.
Royal family initiatives
The importance of the Thai monarchy in forest conservation and restoration is a unique example of how traditional authority can be used to solve ecological and social problems. The most famous and significant of these is the “Royal Project” founded in 1969 by King Bhumibol Adulyadej (Rama IX) in the northern mountain regions. In the mid-20th century, this territory was part of the infamous “Golden Triangle” – a global centre for illegal opium production. Local hill tribes practised primitive slash-and-burn agriculture, burning huge areas of primeval forest every year to create fields for opium poppies; this caused catastrophic soil erosion and destroyed vital watershed forests.
King Bhumibol understood that repression and military force would not defeat the poverty and traditions of the tribes. Scientists and agronomists from the Royal Foundation travelled to mountain villages and taught the tribes to grow high-value coffee, tea, strawberries, and vegetables instead of opium. At the same time, an agroforestry system was introduced – farmers were allowed to stay on their land on the condition that they would plant and tend forest tree species among their crops. Within a few decades, opium cultivation in Thailand was completely eradicated, for which the project received widespread international recognition, and millions of hectares of mountain forests gradually regenerated.
No less significant is the project initiated by Queen Sirikit, “The Forest Loves the Water” (Pa Rak Nam). The Queen emphasised that the forest and water are inseparable elements and that local communities must be involved in nature conservation rather than being made enemies. During the programme, the Royal Foundation provided funding and paid a small but stable salary to local residents, especially poor women, so that they could officially work as forest guards, engage in tree planting, and report illegal loggers. This approach helped integrate environmental protection into the local economy and created buffer zones around strictly protected state forests.
Nature conservation and a total hunting ban
To save nature, Thailand has created one of the largest and most impressive networks of protected areas in Asia. The country has more than 150 national parks and nearly 60 wildlife sanctuaries. Internationally, the most well-known is the Thungyai-Huai Kha Khaeng reserve complex, which is included on the UNESCO World Heritage list and serves as the last safe refuge for endangered species – Indochinese tigers, wild elephants, leopards, and tapirs. The country’s official goal is for 25% of the national territory to consist of strictly protected natural forests.
Sport and commercial hunting are completely and categorically prohibited throughout Thailand. Any killing of animals in national parks or reserves is legally defined as criminal poaching. Traditional hunting for personal consumption is permitted only for a few hill tribes in very specific and strictly controlled volumes, and even these rights are now being maximised in their restriction. Despite harsh penalties and regular raids by forest rangers, illegal poaching still exists, driven by high demand on the black market for ivory, tiger bones, and the meat of exotic animals.
Public attitudes, conflicts, and scandals
The topic of forests in Thai society is extremely sensitive and regularly triggers sharp conflicts. The main controversy lies in what is termed “authoritarian conservation”. When the state declares a new protected area, boundaries are often drawn across villages where hill tribes and poor farmers have lived for generations long before modern laws were invented. As a result, thousands of people suddenly become “lawbreakers” in their own homes, are forcibly evicted, or are tried for “damaging the forest”, which regularly leads to mass protests and clashes with law enforcement authorities.
Another serious source of conflict is the expansion of eucalyptus plantations. Environmental activists and local farmers strongly oppose these monocultures because eucalyptus trees literally suck all the water and nutrients out of the soil, destroying local biodiversity and leaving neighbouring farmers without a harvest.
The situation is also worsened by high-level corruption. Since the prices for exotic mahogany on the Chinese market are astronomical, armed gangs of illegal loggers regularly break into nature reserves, often working in collaboration with corrupt forest service, police, or military officials who, for money, cover up the transit of illegal loads.
The most high-profile scandal of recent years, which shook all of Thai society and triggered a huge social media storm, took place in 2018. In the Thungyai Naresuan nature reserve, rangers detained one of the country's richest construction magnates, Premchai Karnasuta. He and his associates had set up a luxury camp in the very heart of the reserve, and weapons were found on him, as well as the skin and meat of a freshly poached, protected black leopard, which was already being prepared in a pot. This case became a symbol of public dissatisfaction with elite impunity and injustice – while poor farmers are jailed for cutting down a few trees for firewood, the rich assumed that laws did not apply to them. The public pressure was so unrelenting that the billionaire could not buy his way out, and after a lengthy court process, he was sentenced to real prison time, which is a rare exception for members of the elite in Thai judicial practice.
Modern protection methods in UNESCO reserves
Thailand’s most prestigious natural sites, such as the massive Thungyai-Huai Kha Khaeng reserve complex, face a constant threat from well-organised and armed gangs of illegal loggers and poachers. To protect this UNESCO World Heritage zone, the country has moved away from passive observation and introduced high-tech and military-level tactics.
The main cornerstone of protection is a smart patrol system known as SMART – Spatial Monitoring and Reporting Tool. Each forest ranger unit is equipped with GPS devices and special smartphone apps. During patrols, rangers record every detail – felled trees, traps, animal tracks, or illegal camps. All this data is uploaded in real-time to a centralised database, allowing analysts to map the most popular routes of poachers and strategically direct forces to hotspots.
In addition to the SMART system, drones equipped with thermal cameras are increasingly used in reserves to detect the campfires of illegal groups or the heat generated by chainsaws at night. “Camera-traps” with artificial intelligence elements are installed on strategic forest trails, capable of instantly recognising a human silhouette and sending an alarm signal and coordinates to base camp. However, despite the technology, the work of rangers remains physically difficult and dangerous – they spend weeks in the jungle moving only on foot and regularly engage in real firefights with illegal mahogany seekers.
The struggle of hill tribes against state services
In contrast to the successful royal projects, the official state forest policy has often triggered severe legal and physical clashes with Thailand’s hill tribes, such as the Karen and the Hmong. At the root of the problem is the “strict” nature conservation model, known as authoritarian conservation. When the state establishes a new national park, boundaries are often defined without regard for the fact that indigenous villages have existed in these territories for centuries. According to strict Thai laws, these people suddenly become illegal colonisers on their native land.
The most well-known and dramatic case is the conflict between the Kaeng Krachan national park and the Karen tribes living there. For years, state forest services have tried to forcibly relocate the Karen from their historical village of Bangkloi to other villages where the land is completely unsuitable for agriculture. The conflict reached a climax when forest service employees burned down Karen houses and rice barns, claiming they were protecting the park.
The legal battle is still ongoing. The hill tribes, in collaboration with human rights organisations, have filed countless lawsuits demanding recognition of their traditional rights to the land and the right to practise rotational farming, which they consider a sustainable way of caring for the jungle. In 2014, this conflict took a tragic turn when the well-known Karen rights activist Porlajee Rakchongcharoen, known as “Billy”, who was preparing a lawsuit against the park management, disappeared under mysterious circumstances in the national park area. Several years later, investigators found a barrel with his remains in a reservoir in the reserve. This case sparked international condemnation, showing how dangerous the defence of indigenous rights can be in Thailand’s forests.
Eco-activist actions, campaigns, and scandals
Thai environmental activists are one of the most vocal parts of civil society, regularly organising large-scale campaigns against government and corporate projects that threaten ecosystems. Their main “weapons” are litigation, public protests, social media campaigns, and creative direct action.
The “Green Ribbon” campaign against a luxury village for judges in 2018 was one of the largest civil protests. It broke out in the city of Chiang Mai when the public learned that on the slope of the holy Doi Suthep mountain, right next to a national park, the government had built an expensive luxury residential complex for judicial officials. Activists and thousands of townspeople took to the streets, tying green ribbons all over the city and demanding the demolition of the buildings because they destroyed a valuable forest belt. Public pressure was so immense that the government was forced to concede – the project was halted, and reforestation of the area began.
Thailand is seeing an active fight against eucalyptus monocultures and timber processing giants. Activists regularly organise protest actions against large paper and pulp producers, such as Advance Agro. Campaigns explain how these companies promote the expansion of eucalyptus plantations, which take land away from local farmers and deplete water resources. Activists initiate independent research, document river pollution with industrial chemical waste, and file lawsuits for environmental standard violations.
In Thailand, scandals regularly erupt when it is revealed that influential politicians, army generals, or business magnates have arbitrarily built villas or resorts directly in national park territories or obtained forged land ownership documents in protected zones. Eco-activists use satellite images and drones to publicise these violations on social media, creating huge public pressure that sometimes forces corrupt officials to act and demolish illegal structures.
The high social cost
Overall, forest management and nature conservation in Thailand are at a crossroads between strict state control and the need for social justice.
Thanks to the historic 1989 logging ban, Thailand has achieved significant success in both stabilising forest areas and in the programmes supported by the royal family, as well as in the implementation of military-level technology – the SMART system – in UNESCO reserves. The country has established one of the strongest networks of protected areas in Asia.
These successes come at a high social cost. The “authoritarian conservation” model implemented by the state completely ignores the historical rights of indigenous people and hill tribes, turning them into lawbreakers on their own land and triggering tragic conflicts. At the same time, high-level corruption and high mahogany prices on the black market still allow for illegal logging and elite impunity, which can only be spurred into action by massive pressure from the public and eco-activists.
What will the future hold?
Several significant trends are expected in Thailand’s forestry sector and environmental policy in the future.
To compensate for the shortage of forest rangers, the state will rely increasingly on AI-equipped cameras, satellite monitoring, and drones, which will help fight armed gangs of poachers and loggers more effectively, though this will not solve the underlying problems. Growing public education and eco-activist campaigns will pressure the government to legally recognise “community forests”. It is predictable that the state will have to concede and allow the hill tribes to legally participate in forest management rather than trying to deport them.
Forest fires and prolonged drought periods in northern Thailand will become more intense, threatening the natural regeneration of forests and creating additional risks for biodiversity. As natural forests will remain strictly closed to commercial activity, Thailand will continue to invest in high-tech tree nurseries. The country will strive to become a regional leader in the export of sustainable plantation timber, seeking to reduce the damage caused by eucalyptus to the local ecosystem. Thais understand perfectly well that tourism alone will not help develop their country’s economy.
Sources: Zemeunvalsts.lv, Asia and European Union information sites