Topic: An Inconvenient Truth

Heartland's leaked documents show how climate skepticism spreads

Leaked internal documents from The Heartland Institute show how one organization is working to promote global warming denial.

Naomi Oreskes: fierce defender of climate change science – and scientists

Naomi Oreskes has become a leading voice in defense of the science underlying global warming and the scientists who are researching it.

Political polarization of climate change is on the rise

It's time to find a good way to reconsider whether carbon cap and trade would eliminate jobs

Who were the previous 10 Nobel Peace Prize winners?

Imprisoned Chinese dissident Liu Xiaobo won the 2010 Nobel Peace Prize Friday for his long and nonviolent struggle for human rights in his country. Here is a list of the past 10 Nobel Peace Prize winners and why the committee chose them.

Waiting for 'Superman': movie review

Documentary 'Waiting for "Superman" ' takes a swipe at unions as the cause of America's failing high schools.

Why is Obama taking on teachers' unions right before Election 2010?

The teachers' union vote is reliably Democratic. Yet before Election 2010, widely seen as a difficult one for Democrats, teachers feel that Obama is antagonizing them with his reform agenda.

Can 'Toy Story 3' save summer movies?

Summer movie profits have been held down by tepid sequels and remakes so far. 'Toy Story 3' represents one of a few chances for Hollywood to turn around its traditional blockbuster season.

Gulf oil spill: Al Gore slams BP for lack of media access

On his website, Al Gore criticizes BP for denying reporters access to the Gulf oil spill area. But is it a 'de facto form of censorship,' as the former VP says?

Al and Tipper Gore said they grew apart after 40 years of marriage

In an email to friends on Tuesday, Al and Tipper Gore announced they are separating after 40 years of marriage, a decision that was mutually agreed to.

After 40 years of marriage, Tipper and Al Gore part ways

In e-mail circulated among the couple's associates, former Vice President Al Gore and his wife, Tipper, announced that they are separating.

Is Dave Matthews' carbon offsets provider really carbon neutral?

Celebrities like Dave Matthews have used carbon offset provider NativeEnergy to help them be carbon neutral. But there's great debate about the company's method of selling offsets that have yet to happen.

Nuclear weapons: a political strike on the big screen

Producers of 'Countdown to Zero,' a docudrama about the dangers of nuclear weapons, hope it will boost the cause of disarmament the way 'An Inconvenient Truth' did global warming.

Sundance: Take my film ... please!

The annual indie film festival is proving a tough sell for moviemakers as the economy craters and distribution channels shrink.

Films to make you think

These documentaries may change your dinner menu and your travel itinerary.

Review: 'It Might Get Loud'

Step in to the world of three master electric guitarists in this affectionate documentary about a jam session.

Finding the right metaphor to treat climate despair

One way to decide how nations reduce their carbon footprint

US nuclear accord with a Persian Gulf state raises concerns about proliferation

Backers say the agreement with the United Arab Emirates is a model for other countries in the region. But critics worry about the UAE's ties with Iran.

Letters to the Editor

Readers write about the lessons that can be learned from Kosovo, the systemic debt problem in US higher education, and another way President Obama may unite rivals.

Review: 'I.O.U.S.A.'

Documentary about America's monstrous national debt is this year's 'An Inconvenient Truth.'

Tap America's spirit of sacrifice

People are driving less because of high gas prices. What else might they give up?