According to BBC, the European commission has committed to a 20% decrease in Carbon emissions by 2020.
Here's a summary:
AIM: reduction in greenhouse gas emissions by 2020
AIM: reduction in energy imports, saving money and increasing energy security
AIM: world leadership in renewable energy technology
CHALLENGE: government and companies may try to weaken their emissions targets
CHALLENGE: some countries likely to find renewables targets very ambitious
CHALLENGE: wrangles likely over technicalities of ETS