id	keyword
american_scientific_journal-6993	energy
american_scientific_journal-6993	crete
american_scientific_journal-6993	electricity
american_scientific_journal-6993	island
american_scientific_journal-6993	transportation
american_scientific_journal-6993	transition
american_scientific_journal-6993	solar
american_scientific_journal-6993	heat
american_scientific_journal-6993	fuels
american_scientific_journal-6993	carbon
american_scientific_journal-6993	generation
american_scientific_journal-6993	carbonization
american_scientific_journal-6993	cooling