The Free Market

A large-scale thermal energy storage unit containing glowing refractory bricks used to store renewable electricity as heat.
A geothermal drilling rig and infrastructure at a test site in the Nevada desert.
The interior of the JT-60SA tokamak showing the vacuum vessel and the purple glow of a plasma discharge.
The interior of a tokamak fusion reactor showing a glowing purple plasma ring held by magnetic fields.
A researcher in a cleanroom holds a shimmering perovskite-silicon tandem solar cell that has achieved a record-breaking efficiency.
A wide view of the Thwaites Glacier ice shelf meeting the Southern Ocean in Antarctica.
A black-and-white 1930s photograph of voters in fedoras queuing at a Philadelphia polling place.
Scientists in a modern laboratory analyze atmospheric data and air samples to track greenhouse gas concentrations.
A technician in a cleanroom holds a multi-colored, iridescent solar wafer that uses perovskite-silicon tandem technology.