7 Highlights

• Thanksgiving meals contribute to rising greenhouse emissions, experts say.
• Heavy meat diets in industrial nations exceed health guidelines, studies report.
• • Americans waste 316M pounds of food every Thanksgiving.
  • Reducing meat intake can significantly curb climate impact, researchers stress.
  • UN: Food waste is responsible for 10% of human-made greenhouse gases.
  • Switching to plant-based diets may cut emissions by 17%, says Nature Climate study.
  • Reform in diets and food systems is crucial, advocates and experts agree.