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.

What aspect of gas lighting did electric light substantially improve in terms of safety and environment?
inventionHistoryinventorcultureSociety