LifePollution threatens to wipe out half of all orca communities Ten of the 19 orca populations in the oceans could vanish within a century because of the effects of reproduction-disrupting PCB chemicals News
EarthMystery ozone-destroying gases linked to badly recycled fridges Last week we learned a chemical that harms the ozone layer is being emitted in Asia – and now it seems sloppy recycling might be partly to blame News