News headlines in September 2011, page 27

The tenth anniversary of the attacks on the World Trade Center's Twin Towers and the Pentagon on Sep. 11, 2001 are marked by mourning.

Southern Africa has moved forward with regional economic integration, but challenges remain, say trade experts.

More than one billion people worldwide live with disabilities, some 15 percent of the world's population.

The appalling experiments carried out by U.S. doctors in Guatemala from 1946 to 1948 using 1,300 human subjects who were infected with sexually transmitted diseases highlighted the inadequacy of controls and safeguards in clinical testing in this Central American country — still a major problem today, according to experts.

'We planted our seeds, but the earth is no longer productive. We've had too much rain, even more than last year, and the harvest was ruined,' says Ermelinda Santiago of the Me'phaa indigenous people, who like everyone else in the village of Francisco I. Madero has been affected by the impact of extreme weather on agriculture in southern Mexico.

Troy Davis, the Georgia man whose death row case has drawn international attention, has again been scheduled for execution for Sep. 21, but advocates hope to convince the Georgia Board of Pardons and Paroles to grant last-minute clemency.

The fight against oil and gas giants is heating up in the U.S., with new waves of protest and civil disobedience springing up across the country.

While globally trade agreements are more and more about linking production chains between countries and continents, Africa remains locked in a struggle to overcome the colonial legacy of fragmentation, trade experts say.

The Libyan revolution has been devastating for 20-year-old Alybe Nally from Nigeria, as it has been for countless others from Africa seen by the rebels as Gaddafi loyalists. 'When the rebels took over Tripoli two weeks ago they took my money, my mobile, my passport…All I have is what you see now,' he says, pointing to his mismatched pair of sandals.

A decade after its spectacular Sep. 11, 2001 attacks on New York City's twin World Trade Center towers and the Pentagon and despite the killing earlier this year of its charismatic leader, Osama bin Laden, Al Qaeda appears to have largely succeeded in its hopes of accelerating the decline of U.S. global power, if not bringing it to the brink of collapse.