Technological innovation, financing, practical business examples, public infrastructures and local agencies. These are the highlights of the International Congress at Fiera Bolzano during Klimaenergy, the international fair for innovative application of renewable energies. The congress is organized to meet the needs of companies, local and territorial agencies, designers, physical plant experts and technicians looking for information and concrete solutions in the area of renewable energy options. At the same time, there is also the congress of Klimamobility, the Fair of sustainable mobility, on the most recent projects from Italy and abroad, and future scenarios. Finally, Fiera Bolzano updates the appointment with KlimaHouse Umbriaorganized at the Fair Center in Bastia (Perugia) from 28 to 30 September. The three days of the exhibition include congresses, guided tours and many encounters on ecosustainable building, held for the fourth consecutive year in the heart of the Umbria Region, confirming its major commitment to the construction of energy-efficient buildings.