Reuters: Energy-intensive industries in Europe warned on Thursday that big investment decisions are being put on hold until the European Union hammers out its plan for fighting climate change after 2012. A month after the EU’s executive announced proposals to curb greenhouse gas emissions in the 27-nation bloc, executives from some of Europe’s biggest companies said they could not afford to wait long for details of how the system will work. Juha Rantanen, chief executive of Finnish …