Bratislava, 15th February 2011 - Greenpeace activists wearing masks of the Prime Ministers of Slovakia, Hungary, Poland and the Czech Republic today celebrated twenty years of V4 group just before the start of the summit. Environmentalists brought a cake to the summit venue, which carried a message and was targeted at its participants. Greenpeace wants the V4 countries become more active in climate protection by voting for 30% emissions reduction target in EU till 2020. This can bring benefits not only in terms of improving of the environment but also the economy and energy security.