Spain's Prime Minister Jose Luis Rodriguez Zapatero, right, and his Polish counterpart Donald Tusk talk on their way for a press conference in Sopot, northern Poland, Monday, Nov. 9, 2009. During Zapatero's visit to Poland an agreement was signed according to which Poland will sell 25 million euro worth of greenhouse gas emission units to Spain, the first such sale for Poland. AP Photo logo AP Photo 1 week ago

Spain's Prime Minister Jose Luis Rodriguez Zapatero, right, and his Polish counterpart Donald Tusk talk on their way for a press conference in Sopot, northern Poland, Monday, Nov. 9, 2009. During Zapatero's visit to Poland an agreement was signed according to which Poland will sell 25 million euro worth of greenhouse gas emission units to Spain, the first such sale for Poland.