For years, Europe has tried to set the global standard for climate-change regulation, creating tough rules on emissions, mandating more use of renewable energy sources and arguably sacrificing some economic growth in the name of saving the planet. But now even Europe seems to be hitting its environmentalist limits. High energy costs, declining industrial competitiveness and a recognition that the economy is unlikely to rebound strongly any time soon are leading policy makers to begin easing up in their drive for more aggressive climate regulation. On Wednesday, the European Union proposed an end to binding national targets for renewable energy production after 2020. Instead, it substituted an overall European goal that is likely to be much harder to enforce. It also decided against proposing laws on environmental damage and safety during the extraction of […]