Try Pheap representatives declined to comment on the report, which gives extensive descriptions of the companies operations.
The report also shows that local communities play a role, working in illegal logging due to a lack of other jobs.
Cambodia has a high degree of solar radiation, making the country a good place for the renewable energy source, a report from the Asian Development Bank says.
Koh Kong provincial police on Friday raided the headquarters of Mother Nature Cambodia, three activists of which the courts have detained for leading a campaign against sand dredging.
The Koh Kong provincial government stated that 10 youths from Mother Nature have taken part in activities to encourage people to protest against sand dredging in their communities.
The activists are being charged with acts of “intimidation” and face up to two years in prison, as well as fines.
Authorities at Angkor Wat say they will monitor the couple closely and have worked hard to ensure that no hunters will poach in the area.
Gathering of IUCN in Bangkok warns that unless countries in region can work together to better protect shrinking ecosystems, scores of plants and animals will face extinction.
Cambodia's wild bears are under unprecedented pressure. Their native forests are being cut down at record rates, and China's huge demand for traditional medicine has made them targets. VOA Khmer's Sreng Leakhena narrates.
Cambodia has failed to meet a number of UN Millennium Development Goals, which were set out years ago and aimed at halving global poverty.
Villagers in Koh Kong province are locked in a land dispute with a Chinese company as it tries to build a tourist hub worth billions of dollars.
The Phnom Tamao Wildlife Center holds more than 130 bears: moon bears, also known as Asiatic Black Bears, and smaller sun bears.