id	keyword
american_scientific_journal-5226	energy
american_scientific_journal-5226	solar
american_scientific_journal-5226	carbon
american_scientific_journal-5226	campsites
american_scientific_journal-5226	use
american_scientific_journal-5226	emissions
american_scientific_journal-5226	electricity
american_scientific_journal-5226	tourism
american_scientific_journal-5226	heat