List of figures; List of tables; List of contributors; Acknowledgements; Introduction Bjørn Lomborg; Part I. The Solutions: 1. Climate engineering Eric Bickel and Lee Lane; 1.1 Alternative perspective Roger Pielke Jr; 1.2 Alternative perspective Anne E. Smith; 2. Carbon dioxide mitigation Richard S. J. Tol; 2.1 Alternative perspective Onno Kuik; 2.2 Alternative perspective Roberto Roson; 3. Forestry carbon sequestration Brent Sohngen; 3.1 Alternative perspective Sabine Fuss; 4. Black carbon mitigation Robert E. Baron, W. David Montgomery and Sugandha D. Tuladhar; 4.1 Alternative perspective Milind Kandlikar, Conor C. O. Reynolds and Andy P. Grieshop; 5. Methane mitigation Claudia Kemfert and Wolf-Peter Schill; 5.1 Alternative perspective David Anthoff; 5.2 Alternative perspective Daniel Johansson and Fredrik Hedenus; 6. Market and policy driven adaptation Francesco Bosello, Carlo Carraro and Enrica de Cian; 6.1 Alternative perspective Samuel Fankhauser; 6.2 Alternative perspective Frank Jotzo; 7. Technology-led climate policy Isabel Galiana and Christopher Green; 7.1 Alternative perspective Valentina Bosetti; 7.2 Alternative perspective Gregory Nemet; 8. Technology transfers Zili Yang; 8.1 Alternative perspective David Popp; Part II. Ranking the Opportunities: 9. Expert panel ranking Nancy L. Stokey, Vernon L. Smith, Thomas C. Schelling, Finn E. Kydland and Jagdish N. Bhagwati; Conclusion Bjørn Lomborg; Index.