EnvironmentSterile fish could help wild salmon dodge the ‘gene pollution’ effect Farmed Atlantic salmon make the local wild salmon population weaker. Making them sterile could work – but there’s a catch ¿ìè¶ÌÊÓÆµ
EarthOil-exploration airguns punch 2-kilometre-wide holes in plankton The seismic airguns used to look for undersea oil don’t just disrupt marine mammals, their shock waves also kill and disperse the plankton population ¿ìè¶ÌÊÓÆµ