In our report on restoring US prairies (16 September, p 41), we should have quoted Shannon Eddy, director of the Large-scale Solar Association, on land-use changes on the opening page. In addition, the caption with the Daphne Prairie Preserve image should have referred to a planned solar facility near prairie land outside Mount Vernon, Texas. Finally, it is the federal government that is investing heavily in the US energy transition.
The solution to Headscratcher #240 (30 September, p 47) went a bit awry. The correct one is at newscientist.com/puzzles
