Oracle develops thousands of products that help customers reduce their environmental impact. Electricity usage at Oracle headquarters in Redwood Shores, California has dropped 31 percent over the last 10 years. Oracle's hardware manufacturing facilities are ISO 14001 certified. Oracle received LEED-NC silver certification at its new 190,000 square foot building in Hyderabad, India. Oracle employees dedicate volunteer time to more than 120 environmental projects, annually. Oracle drastically reduced its travel-related footprint by requiring that, when appropriate, meetings take place using Oracle Web Conferencing. At Oracle OpenWorld, 60 percent of menu ingredients are sourced from within 100 miles of the event venue.