The issue focused by environmental campaigners has taken centre stage at the Royal Institution's Science Festival in Brighton.Special Report: The Technology of BusinessResearchers experiment with dronesAir pollution poses serious threat to wildlifeFocus on agriculture leads to innovationResearchers discover why babies sleep better after formula feedingUltra HD gives firms faster internetSlow broadband speeds highlight tech sector's weaknessesAnalysis: Why fast broadband mattersRooted in techCorporate giants including Amazon and Facebook have expressed concern over new technologies being introduced into their businesses.Big technology firms including Microsoft and IBM