In this exclusive clip from 'The Learning,' Dorotea, an immigrant teacher from the Philippines, calls in a student's mother after there is a question about classroom behavior. What begins as a simple argument over chewing gum, quickly escalates to a more general discussion about a student's respect for a teacher.

Filmmaker Ramona Diaz sits down with POV to discuss her new film 'The Learning.' Following the live of four Filipina women as they leave the Philippines to teach in the Baltimore public school system, Diaz hopes her film raises questions about the social costs and culture shock experienced by many immigrants.

In this clip from 'The Learning,' the teachers return home to the Philippines and realize the fruits of their labors. Their higher salaries improve the standard of living for their families, but as one explains, they cannot pull their families from "rags to riches" all by themselves.

One hundred years ago, American teachers established the English-speaking public school system of the Philippines. Now, in a striking turnabout, American schools are recruiting Filipino teachers. "The Learning" is the story of four Filipino women who reluctantly leave their families and schools to teach in Baltimore. Their ideals about America, however, soon clash with Baltimore's tough realities.

In this clip from 'The Learning,' the teachers adjust to teaching in the Baltimore school system. The differences in cultures prove challenging to navigate, but they find they are worth working through when they receive their first paychecks and send money home to the Philippines.

In this clip from 'The Learning,' four Filipino teachers leave the Philippines in order to provide a better life for those at home. They leave behind their schools, children and extended families to immigrate to Baltimore in order to find "greener pastures."

In this exclusive clip from 'The Learning,' Dorotea, an immigrant teacher from the Philippines, discovers that one of her students is pregnant. She discusses the pregnancy with the student, and helps her determine what steps she will take to continue her education despite the pregnancy.

Dorotea, one of the teachers featured in 'The Learning,' updates the audience about what has happened since cameras stopped rolling. She now lives with her family in Baltimore and is in her sixth year teaching in the Baltimore public school system. In regards to recent visa sponsorship issues, she simply says they will have to wait and see what happens.

This clip, from 'If A Tree Falls: A Story of the Earth Liberation Front,' describes how members of the ELF were able to covertly communicate and evade authorities. It describes the "book club" that trained new recruits in using books as a code source, before beginning to work with computer encryption techniques.

In this clip from 'If A Tree Falls: A Story of the Earth Liberation Front,' interviews and news footage recount the story of the arsons set by the Earth Liberation Front. The ELF committed these acts of arson as a form of protest, sparking controversy within in the environmental movement as well as criticism from authorities.

In this clip from 'If A Tree Falls: A Story of the Earth Liberation Front,' a former activist remembers the day that people climbed trees in order to protect them from being cut down for development. Police responded to the situation using tear gas and pepper spray, sparking outrage and the radicalization of some protesters.

Filmmaker Marshall Curry investigated the Earth Liberation Front arsons for his documentary 'If A Tree Falls.' In this exclusive interview, Curry discusses gaining the trust of his subjects, his filmmaking process, and ethical concerns for documentary filmmakers.

In this clip from 'If A Tree Falls: A Story of the Earth Liberation Front,' prosecutors, defendants, family members and victims of the ELF fires debate whether their crimes should be considered terrorism.

"If a Tree Falls: A Story of the Earth Liberation Front" explores two pressing issues - environmentalism and terrorism - by lifting the veil on a radical environmental group the FBI calls America's "number one domestic terrorism threat." Daniel McGowan, a former member of the Earth Liberation Front, faces life in prison for two multimillion-dollar arsons against Oregon timber companies.

In this clip from 'Better This World,' Brad and David weigh their options after being arrested at the Republican National Convention. Both want to stay loyal to each other, despite intimidating prosecutors and plea deal offers. They must make a decision whether to plead guilty and possibly testify against each other.

'Better This World' and 'If a Tree Falls: A Story of the Earth Liberation Front' feature political activists who cross the line into law-breaking and authorities who may be crossing their own lines to catch them.

In this clip from 'Better This World,' David McKay accepts a plea deal on the last day of his trial, assuming his sentence will be similar to Brad's.

The directors of 'Better This World,' Katie Galloway and Kelly Duane de la Vega, sit down with POV to discuss the subjects of their film. They describe FBI informant use in post-9/11 America, the media's role in court cases relating to national security, and the two men who are the focal point of their striking documentary.

"Better This World" follows the radicalization of Bradley Crowder and David McKay from Midland, Texas, under the tutelage of revolutionary activist Brandon Darby. The results: eight homemade bombs, multiple domestic terrorism charges and a high-stakes entrapment defense hinging on the actions of a controversial FBI informant.

Janus Metz, the filmmaker behind the Danish war documentary 'Armadillo,' talks about filming his documentary on the front lines of the war in Afghanistan. He describes the psychological effects of war on the people who experience it firsthand, and addresses the controversial incident which has garnered plenty of attention for the film.