The leaders of France and Germany have said more needs to be done if the world is to achieve its goal of limiting global warming to two degrees.<br /><br /> The pair held a meeting with environment ministers from 35 nations in Berlin for the so called “Petersberger Climate Dialogue.”<br /><br /> Here they set ambitious goals for a UN climate conference in Paris at the end of the year.<br /><br /> The German Chancellor Angela Merkel said: “We will announce at the conference in Paris that the global long-term goal is a reduction of at least 60 percent greenhouse gases compared to 2010. That would mean a global reduction of 50 percent compared to 1990. Yes, it is very ambitious. But we believe if we join forces we will be able to manage that.”<br /><br /> Merkel also says industrialised nations should contribute more funds to developing countries to encourage them to back the plans and help them deal with the side effects of climate change.<br /><br /> Meanwhile France’s President Francois Hollande said it is crucial to make drastic chan