Today, Amazon is launching The Climate Pledge Fund to support the development of sustainable and decarbonizing technologies and services. $2 billion in initial funding will back visionary companies whose products and services will facilitate the transition to a low carbon economy. Applications will be open to any company around the world. Kara Hurst, Amazon's Head of Worldwide Sustainability, joined Closing Bell to discuss Amazon's latest sustainability initiative and the tech giant's timetable for achieving its clean energy goals.