https://charlescoverdale.r-universe.dev/greenbookhttps://charlescoverdale.r-universe.dev/api/packages/greenbookhttps://charlescoverdale.r-universe.dev/greenbook/greenbook.pdfhttps://charlescoverdale.r-universe.dev/greenbook/doc/manual.htmlhttps://charlescoverdale.r-universe.dev/greenbook/NEWShttps://charlescoverdale.r-universe.dev/greenbook/NEWS.txthttps://charlescoverdale.r-universe.dev/greenbook/citationhttps://charlescoverdale.r-universe.dev/greenbook/citation.txthttps://charlescoverdale.r-universe.dev/greenbook/citation.cffhttps://charlescoverdale.r-universe.dev/greenbook/doc/carbon-and-environment.Rmdhttps://charlescoverdale.r-universe.dev/articles/greenbook/carbon-and-environment.htmlhttps://charlescoverdale.r-universe.dev/greenbook/doc/greenbook.Rmdhttps://charlescoverdale.r-universe.dev/articles/greenbook/greenbook.html