Indo-Asian News Service: Climate change and acidification of oceans will significantly reduce the reproductivity of certain marine species by 2100, a team of biologists has warned. A Macquarie University team led by Anne Williamson joined forces with the University of Gothenburg (Sweden) to study the effects of acidification on sea urchin fertility, finding a link between decreased pH (increased acid) levels and a reduction in sperm swimming speed and motility. “What we have now is evidence that the …