Earth in the greenhouse: a challenge for the twenty-first century / Thomas Stocker -- A survey of Kyoto tools for greenhouse gas reductions: speculations on post-Kyoto scenarios / José Romero and Karine Stegwart -- International environmental law and the evolving concept of 'common concern of mankind' / Thomas Cottier and Sofya Matteotti-Berkutova -- Domestic and international strategies to address climate change: an overview of the WTO legal issues / Robert Howse and Antonia L. Eliason -- How to think about PPMs (and climate change) / Donald H. Regan -- Tilting at conventional WTO wisdom / Daniel C. Crosby -- Private climate change standards and labelling schemes under the WTO agreement on technical barriers / Arthur E. Appleton -- Incentive schemes to promote renewables and the WTO law of subsidies / Sadeq Z. Bigdeli -- The WTO and climate change 'incentives' / Gary N. Horlick -- Certifying biofuels: benefits for the environment, development and trade? / Simonetta Zarrilli and Jennifer Burnett -- GATS, financial services and trade in renewable energy certificates (RECs) -- just another market-based solution to cope with the tragedy of the commons? / Panagiotis Delimatsis and Despina Mavromati -- Assessment of GATS' impact on climate change mitigation / Olga Nartova -- GATS' commitments on environmental services: 'hover through the fog and filthy air?' / Rudolf Adlung -- International transfer of technologies: recent developments in the climate change context / Felix Bloch -- TRIMS and the clean development mechanism -- potential conflicts / Stefan Rechsteiner, Christa Pfister and Fabian Martens -- Balancing investors' interests and global policy objectives in a carbon constrained world: the interface of international economic law with the clean development mechanism / Jacob D. Werksman -- Procurement policies, Kyoto compliance and the WTO agreement on government procurement: the case of the EU green electricity procurement and the PPMs debate / Garba I. Malumfashi -- Procurement and the World Trade Organization: purchase power or pester power? / Geert Van Calster -- Institutional challenges to enhance policy co-ordination: how WTO rules could be utilised to meet climate objectives? / Mireille Cossy and Gabrielle Marceau -- Environmental goods and services: the environmental area initiative approach and climate change / Thomas Cottier and Donah Baracol-Pinhão.