title: Grass attack.
authors.forename: Nigel
authors.initials: N
authors.lastname: Williams
mesh_terms: D000818:Animals; D019306:Artemisia / Q000502:physiology*; D044822:Biodiversity; D002245:Carbon Dioxide / Q000502:physiology*; D002980:Climate; D003120:Colorado; D017752:Greenhouse Effect; D006801:Humans; D006109:Poaceae / Q000502:physiology*
chemical_list: D002245:Carbon Dioxide