Times (UK): Heavy industry won extra time to go green yesterday as fears of factory closures during the economic crisis led Europe’s leaders to water down climate change proposals. The EU stuck to its target to cut 20 per cent of greenhouse gases by 2020 and boost renewable energy, winning praise from John Kerry, Barack Obama’s envoy to a UN climate change summit in Poznan, Poland. The goals are the world’s most ambitious and the EU hopes that Mr Obama will use them to steer the US towards …