ScienceDaily: So far, international climate targets have been restricted to limiting the increase in temperature. But if we are to stop the rising sea levels, ocean acidification and the loss of production from agriculture, CO2 emissions will have to fall even more sharply. This is demonstrated by a study published in Nature that has been carried out at the University of Bern. The ultimate objective of international climate policy is to prevent dangerous anthropogenic interference with the climate system. To do...