https://books.google.com/books?hl=en&lr=lang_en&id=G9VoDwAAQBAJ&oi=fnd&pg=PP1&dq=negative+emissions&ots=e5o3tcI-B9&sig=2Y4T6-MoKtsUWF6dRyMdp_OksPU#v=onepage&q=negative%20emissions&f=false
GR - Lists a 2019 pub date(?) Again, SRM and CDR are unhelpfully conflated -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to geoengineering+unsubscr...@googlegroups.com. To post to this group, send email to geoengineering@googlegroups.com. Visit this group at https://groups.google.com/group/geoengineering. For more options, visit https://groups.google.com/d/optout.