ITHACA, New York, Aug. 27 -- Cornell University posted the following news: * * * Former Colombian president will launch Climate Impact Speaker Series * The Cornell Atkinson Center for Sustainability's 2025 Climate Impact Speaker Series will kick off Sept. 2 with former president of Colombia Ivan Duque. He oversaw the country's dramatic expansion of renewable energy - from 1% of national energy production to more than 10% in four years - when he served as president of Colombia from 2018-2022.  more