?url_ver=Z39.88-2004&rft_id=10.1038%2Fncomms14856&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Walsh%2C+B.&rft.aulast=Walsh&rft.aufirst=B.&rft.volume=8&rft.date=2017&rft.issn=2041-1723&rft.atitle=Pathways+for+balancing+CO2+emissions+and+sinks&rft.title=Nature+Communications&rft.pages=e14856&rft.genre=article