Britain has not yet determined its target for renewable energy from sources such as wind and sun by 2020. Industry experts are concerned about the lack of ambition in the country's approach. European Union leaders agreed on a mandatory target to obtain one-fifth of all energy from renewable sources by 2020, but did not specify how this target would be divided among the 27 member states. Tough discussions are expected before a decision is made in January, and the renewable energy industry is worried that Britain's goal may be too low. The Renewable Energy Association spokesperson, Leonie Greene, believes there is a negative attitude towards renewables in the UK. Renewable energy is better for the environment but is more costly than traditional fossil fuels, so it requires support for research, development, and installation to encourage investment and reduce costs. Greene referenced EU data which revealed that in 2005, Britain only obtained 1.8 percent of its energy from renewable sources, significantly lower than the EU-27 average of 6.7 percent. A UK government spokesperson stated that despite committing to the EU target of 20 percent renewable energy, they are still in the process of determining how to achieve this goal. The UK government previously announced that current policies would result in 5 percent renewable energy by 2020, deeming the EU target as ambitious. Leaked documents suggest that doubling this share to 10 percent by 2020 would cost up to 4.4 billion pounds annually. The documents indicated that Britain desired a flexible approach, such as reaching targets through a method similar to carbon offsetting, in which one pays another party to install renewable energy on their behalf. EU Energy Commissioner Andris Piebalgs expressed support for a trading approach where wealthier EU countries invested in renewable energy in less affluent, mainly ex-communist EU members. This proposal received a varied response from renewable energy companies.