Wheat Collaboration (IMAGE) John Innes Centre Caption Covering used to increase night-time temperatures and study wheat's tolerance mechanisms; key to overcoming climate change challenges to wheat production. Credit Photo: Kevin Pixley/CIMMYT, CIMMYT Centro Experimental Norman E. Borlaug, Ciudad Obregon, Mexico. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.