Amid allegations of human rights abuses and government corruption, international calls are growing to ban or restrict the trade in diamonds from politically unstable Zimbabwe.

Thousands of visitors are drawn every year to Argentina’s southern Patagonia wilderness region to fish in glacial lakes and crystal clear streams and rivers. But the trout and salmon that they have come to find are not native species, and pose a threat to local biodiversity.

The search continues for the best way to expose the truth surrounding crimes committed in the Democratic Republic of Congo (DRC), not least in Ituri, in the north-east of the country, a region which where years of atrocities and massive human rights violations have gone unpunished.

Known for eating everything in its path, and even for stinging people, the African catfish (Clarias gariepinus) is feeding debates in Cuba while at the same time it is filling family dinner plates.

The police, who used to shoot first and ask questions later in Santa Marta, a Rio de Janeiro shantytown, are now getting on well with the local community – the result of a state government plan that nevertheless has drawn criticism.

The Sri Lankan government, which has claimed military victory against a 26-year-old brutal insurgency in the country's northern and eastern provinces, will be battling charges of violating humanitarian law at a special session of the U.N. Human Rights Council (HRC) in Geneva next week.

After an uneventful first meeting between U.S. President Barack Obama and Israeli Prime Minister Benjamin Netanyahu that seemed to produce no real breakthroughs, hawks in the U.S. and Israel are seizing upon what they claim is a significant concession by Obama: his setting a 'timetable' for negotiations with Iran.

The people of Afghanistan are increasingly caught in the cross-fire between a violent insurgency and a violent counter insurgency but does this mean the entire country is unravelling?

By pushing ahead with a sham trial to prosecute the country’s pro-democracy icon, Burma’s military regime appears set to shatter the credibility of the new, rules-based Southeast Asian regional bloc, of which it is a member.

In the last 13 months, 12 of Mexico's 32 states have approved amendments to their state constitutions defining a fertilised human egg as a person with a right to legal protection, and seven other state parliaments are taking steps in the same direction.