• Part 3: International Circumstances and Climate Science sets out how our recommendations represent a fair and ambitious contribution to the Paris Agreement, including consideration of the UK's broader contribution to tackling climate change beyond UK territorial emissions, including the UK's overseas consumption emissions (Chapter 7). Chapter 8 sets out the relevant climate science that underpins our advice. • Part 4: Recommendations sets out why our recommended pathway reduces emissions more quickly before 2035 than after 2035 (Chapter 9) and our full recommendations relating to the Sixth Carbon Budget (Chapter Sixth Carbon Budget-The path to Net Zero