What aspect of gas lighting did electric light substantially improve in terms of safety and environment?
Answer
Its constant maintenance, heat production, and fire hazards.
Moving away from gas lighting represented a major leap in public safety because gas lighting required constant maintenance, produced excess heat, and carried inherent fire hazards associated with an open flame.

Related Questions
What radical shift did Edison implement regarding the process of invention?In what year was the phonograph introduced?What early commercial success provided Edison with the capital to fund his Menlo Park experiments?What immediate societal change resulted from affordable electric illumination?What specific material did Edison's team eventually settle on for the light bulb filament?What became the enduring legacy model derived from Edison's organized research environment?How did the initial demonstration of the phonograph physically capture sound?What aspect of gas lighting did electric light substantially improve in terms of safety and environment?According to the text, what crucial realization underpinned the success of Edison's inventions like the light bulb?What three primary areas constituted Edison's first major cultural and societal footprint?