Reuters: Poland has joined seven eastern new member states of the European Union in demanding changes to the bloc’s plans for curbing greenhouse gas emissions to fight climate change, its environment minister said on Friday. Maciej Nowicki told Reuters that Warsaw wanted auctioning of permits for the power sector to emit carbon dioxide phased in from a starting level of 20 percent in 2013 instead of the 100 percent proposed by the European Commission from 2013. He said he had …