ENN: The European Union and green groups piled pressure on the United States on Monday to agree to a target to halve global greenhouse gas emissions by mid-century and back the need for rich countries to set 2020 goals as well.
ENN: The European Union and green groups piled pressure on the United States on Monday to agree to a target to halve global greenhouse gas emissions by mid-century and back the need for rich countries to set 2020 goals as well.
