(Phys.org)—An international team of researchers has found that levels of phosphorous found in Chinese lakes have fallen on average over the past nine years. In their paper published in the journal Nature Geoscience, the group describes how they examined data from government sources and what they found by doing so. Jessica Corman with the University of Wisconsin offers a News & Views article covering work done by the group in the same issue giving some opinions regarding what she believes still needs to be done.