UCLA Housing and Amazon.com officials installed yellow and blue Amazon Lockers on the Hill last week, offering students a new way to pick up packages from the e-commerce site.

Students shopping at the Ralphs supermarket in Westwood this week will enter a store that has nearly doubled in size, after an expansion to the store opened last week.

A sustainability expert urged UCLA students Tuesday night to pledge to conserve water by taking shorter showers, eating less meat and turning down water pressure while washing dishes.