With the growing world population thirstier than ever for electricity and with greenhouse gases accumulating in the planet’s atmosphere, scientists and engineers are working to advance sustainable energy sources, a smarter grid system, and large-scale battery technologies that can store and release power on demand.

Coincidentally, on the day that the world’s population hit 7 billion, three experts at a session of the Industrial Physics Forum spoke about the growing challenge of supply and demand in the electric economy. The forum, organized by the industrial outreach arm of the American Institute of Physics and titled “Energy: Transition to a Sustainable Future,” was featured at the annual meeting of AVS: Science and Technology of Materials, Interfaces, and Processing held last week in Nashville, Tennessee.

Read the full report at PhysicsToday.org.