Reuters: European Union leaders vowed to maintain ambitious targets to battle climate change despite the economic crisis, saying green industries would drive growth, deliver new jobs and protect against oil shocks. Wednesday’s meeting in Brussels had been expected to focus on how the EU would reach its goal of cutting carbon dioxide emissions by 20 percent by 2020, but was overtaken by failing banks, plunging stock markets and warnings of recession. The 27-nation bloc hopes to lead the …