May 30, 2012 (23 images)

An old technology oil pump stands inoperative as new oil drilling sites are created at the Niobrara oil shale formation in Weld County, North eastern Colorado on May 30, 2012. Gas and oil companies are using large amounts of water to obtain shale oil and gas in a process called hydraulic fracturing or fracking. UPI/Gary C. Caskey

Oil workers monitor a oil pumping and storage site at the Niobrara oil shale formation in Weld County, North eastern Colorado on May 30, 2012. Gas and oil companies are using large amounts of water to obtain shale oil and gas in a process called hydraulic fracturing or fracking. UPI/Gary C. Caskey

Many Colorado residents protest the oil companies and their new drilling operations at the Niobrara oil shale formation in Weld County, North eastern Colorado on May 30, 2012. This large pumping and storage facility is located right next to a new residential subdivision in Erie, Colorado. Gas and oil companies are using large amounts of water to obtain shale oil and gas in a process called hydraulic fracturing or fracking. UPI/Gary C. Caskey

Union Jack flags decorate Covent Garden Market ahead of Queen Elizabeth II's Diamond Jubilee Celebrations in London on May 30, 2012. Diamond Jubilee celebrations will take place June 2-5. UPI/Rune Hellestad