November 30, 2009 View all publications Study on how Europe can achieve a 40% reduction by 2020 PDF 1.37mb | Download Now A study prepared by Stockholm Environment Institute in partnership with Friends of the Earth Europe shows that emission reductions of at least 40% below 1990 levels within Europe by 2020, and cuts of 90% by 2050, are possible.This study gives practical examples of the kinds of changes which would occur across various sectors in the short and long term as Europe shifts from a high to a low carbon economy.