The University of California has joined an international coalition led by Bill Gates to invest in clean energy technology, it announced Sunday. UC will be the sole institutional investor in the Breakthrough Energy Coalition, according to the university. “The University of California, with its 10 campuses and three national energy labs, is home to some of the best climate scientists in the world and as a public research institution we take the imperative to solve global climate change very seriously,” UC President Janet Napolitano said in a statement. “The UC system — with its world-leading campuses and labs — produces the kinds of groundbreaking technologies that will help define a global energy future that is cheaper, more reliable, and does not contribute to climate change,” Gates said in a statement.