This week's teachers march in Brazil's Rio de Janeiro has drawn the biggest turnout since the wave of protests during the Confederations Cup in June.
The church and Pope Francis have been accused of complicit silence during Argentina's 'dirty war'.
The last episode of Avenida Brasil was a melodrama
A petro-giant is sweet-talking Amazonian villagers blessed with land that has resources worth billions. Jonathan Watts reports.
Only one thing unites those at the People's Summit -- unhappiness over the status quo, writes Jonathan Watts.
A new Global Witness report has revealed that environmental activists were killed at the rate of more than two a week in 2011.
China making huge strides in using green energy but coal consumption continues to increase.
A haze expert has warned that despite recent moves to tighten controls on air pollution in urban China, dangerous smog will persist for decades.
Chinese villagers have called on their government to intervene in a bloody land dispute that has claimed at least one life so far.
Beijing fears a policy of encirclement as US President Barack Obama announces plans to begin stationing 2 500 troops in northern Australia.