Outline of green politics
The following outline is provided as an overview and topical guide to green politics, a political ideology that aims for the creation of an ecologically sustainable society rooted in environmentalism, social liberalism, and grassroots democracy. It began taking shape in the western world in the 1970s; since then Green parties have developed and established themselves in many countries across the globe, and have achieved some electoral success. Nature of green politics. Green politics can be described as: Overlapping movements. Green politics shares many ideas with the following movements: Policy issues. A few issues affect most of  the green parties around the world, and can often inhibit global cooperation. Some affect structure, and others affect policy: On matters of ecology, extinction, biosafety, biosecurity, safe trade and health security, "Greens" generally agree. There are very substantial policy differences between and among Green Parties in various countries and cultures, and a continuing debate about the degree to which natural ecology and human needs align. Agreement on particular issues is often reached using a consensus decision making process. Organizations. Green federations. The member parties of the Global Greens (see for details) are organised into four continental federations: The European Federation  of Green Parties formed itself as the European Green Party on 22 February 2004, in the run-up to European Parliament elections in June, 2004, a further step in trans-national integration.