Twelve sewage and soil isolates belonging to genus Pseudomonas were screened for their ability to degrade and dechlorinate 2-chlorobenzoic acid (2-CBA), 3-chlorobenzoic acid (3-CBA) and 2,4-chlorobenzoic acid (2,4-DCBA). On the basis of growth of the isolates of three chlorobenzoates and their subsequent dechlorination rate, an aerobic Pseudomonas strain PNK-3 was selected for the study.

The popularity of tropical shrimp – often marketed as scampi, giant shrimp, gambas or tiger prawns - is having a devastating impact on local communities in Bangladesh, reveals a new investigation produced in conjunction with the Ecologist's film partner.

The 'Immokalee babies' were born with severe deformities after their mothers were each exposed to pesticides whilst harvesting tomatoes. Barry Estabrook reports on the case that shocked the US.