Conservation group WWF said it spotted 18 critically endangered Irrawaddy dolphins in Indonesian waters off Borneo island Tuesday and called for greater protection of the species' habitat.   more

One of the world's smallest primates, the Philippine tarsier, communicates in a range of ultrasound inaudible to predator and prey alike, according to a study published on Wednesday.   more

The steady drone of motors along busy commercial shipping lanes not only alters whale behaviour but can affect the giant sea mammals physically by causing chronic stress, a study published Wednesday has reported for the first time.   more

A split widened within the aviation industry Tuesday over EU charges for carbon emissions, as Europe's low-cost carriers accused Chinese and US rivals of "gunboat" diplomacy against the system.   more

Brazil is on course to dislodge the United States as the world's top producer of biotech crops in the coming years, a leading promoter of farm biotechnology said Tuesday.   more

BP returned to profit with a bang last year, posting net earnings of $23.9 billion on Tuesday, as the British energy giant prepared for a criminal trial over the US Gulf of Mexico oil spill disaster.   more

Three Indonesians and a Malaysian went on trial Tuesday for killing endangered orangutans and other protected primates as a means of pest control at a palm oil plantation on Borneo island.   more

Environmental pressure group WWF urged Bulgaria on Tuesday to withdraw planned changes to its forestry legislation which would relax rules on building ski runs and facilities in protected areas.   more

A California federal court is to decide for the first time in US history whether amusement park animals are protected by the same constitutional rights as humans.   more

A cargo ship spilled acid into China's longest river last week, contaminating tap supplies and sparking a run on bottled water in eastern China, the government and state media said.   more

A Russian team has succeeded in drilling through four kilometres (2.5 miles) of ice to the surface of a mythical subglacial Antarctic lake which could hold as yet unknown life forms, reports said Monday.   more