The World Renewable Energy Congress XIII and Exhibition 2014 will take place from 14 to 18 September 2014 in New Delhi, India. WREC 2014 will focus on future challenges and opportunities for renewable energy technology and sustainable energy systems, as well as climate change issues. Major topics and new trends will be introduced through several keynote lectures, presented by internationally recognized experts. Within the great variety of topics solar thermal will contribute only a small part. WREC 2014 will provide an opportunity for scientists, engineers, technology developers, practitioners, policy makers and government officials to showcase leading-edge technology for future sustainable societies.