greenhouse gas emissions greenhouse gas emissions

Vehicles pass during the afternoon commute on Highway 101 in Los Angeles on April 2. California is suing the EPA over a plan to revise fuel efficiency standards for vehicles, weakening Obama-era limits on greenhouse gas emissions. Mario Tama/Getty Images hide caption

toggle caption
Mario Tama/Getty Images

From field to bakery, a loaf of bread packs a measurable environmental punch. Daniel Berehulak/Getty Images hide caption

toggle caption
Daniel Berehulak/Getty Images

What's The Environmental Footprint Of A Loaf Of Bread? Now We Know

  • Download
  • <iframe src="" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript