On 02 December 2011, the CGIAR celebrated its 40th anniversary. To commemorate this event, they are publishing stories illustrating the work of each of the CGIAR centers. Today was the turn of CIMMYT; go to the CGIAR website to read about how Felista Mateo is working with CIMMYT and the Sustainable Intensification of Maize-Legume Cropping Systems for Food Security in Eastern and Southern Africa (SIMLESA) project to plant new varieties of maize and pigeon pea using conservation agriculture techniques, thus increasing her yields and making her farming practices more sustainable.