Reuters: European Union leaders agreed on Thursday on a timetable for action on tackling climate change they hope will enable them to set the pace in global talks next year but some voiced unease about the methods. The EU sees itself as a world leader in the fight against global warming after member states agreed last year to cut emissions by 2020 and increase the share of wind, solar, hydro and wave power in electricity output by the same date. After the first round of a two-day …