US environmental study launched for Thirty Meter Telescope

  • Maunakea is seen from Hilo in 2015. The National Science Foundation said Tuesday that it plans to conduct a study to evaluate the environmental effects of building the Thirty Meter Telescope on Maunakea in Hawaii and Spain's Canary Islands. (AP Photo/Caleb Jones, File)

HONOLULU — The National Science Foundation said Tuesday it plans to conduct a study to evaluate the environmental effects of building one of the world’s largest optical telescopes on sites selected on the Big Island and Spain’s Canary Islands.