Andrew Dobson's highly acclaimed introduction to green political thought is now available in a new edition. It has been fully revised and updated to take into account the areas that have grown in importance since the last edition was published.The third edition includes:* a comparison of ecologism with other principal modern ideologies, such as liberalism, conservatism, fascism, socialism, feminism and anarchism* an assessment of the relationship between green thinking and democracy, justice and citizenship* an exploration of 'sustainable development' addressing the fundamental question of 'what to sustain?'* real environmental problems and how green thinking relates to them.