A team at Washington University in St. Louis has created a bacteria that uses photosynthesis to create oxygen during the day, and at night, uses nitrogen to create chlorophyll for photosynthesis. This development could lead to plants that do the same, eliminating the use of some — or possibly all — man-made fertilizer, which has a high environmental cost.

This Earth Day, leaders at Washington University in St. Louis announced a new name and an increased emphasis on the university’s united sustainability effort: the International Center for Energy, Environment and Sustainability, or InCEES.