OREANDA-NEWS. Union Pacific Railroad achieved its best performance in CDP's Standard & Poor's 500 (S&P 500) climate change 2014 report for the depth and quality of climate change data it disclosed. With a carbon disclosure score of 99 out of a possible 100, Union Pacific is in the top 10 percent of all companies in the S&P 500 sample, securing another leadership position on the Climate Disclosure Leadership Index and the highest score among railroads.

"Engaging stakeholders, including customers and employees, through our carbon disclosure, we reaffirm Union Pacific's resolve to continue innovating for environmental progress," said Bob Grimaila, Union Pacific vice president-Safety, Security and Environment. "Ultimately, this supports our commitment to providing the nation with safe, efficient and sustainable freight solutions."

In its sixth annual CDP disclosure, Union Pacific highlights technology, training and operational innovations to increase fuel efficiency. The railroad also has shared its approaches to responsible water management, completing for the first time the CDP's water questionnaire.

Union Pacific's carbon disclosure score is a 1-point improvement over last year. The company maintained its B rating in CDP's performance band, on an A to E scale.