For example, the European Union has agreed to a climate and energy package with which it will be able to reach its target of a 20% emission reduction over 1990 levels by 2020 (30% if other industrialized countries follow suit. within the United States, President Barack Obama has indicated his intention to achieve an 80% reduction of greenhouse gas emissions by 2050, and to return US emissions to 1990 levels by 2020. Other countries, such as Russia and Japan, will announce their mid-term targets in the course of this year.