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Carbon emissions trading in China pp765 - 766 Alex Y. Lo doi:10.1038/nclimate1714 China is to introduce a national emissions trading system based on regional pilot projects despite structural hurdles ahead.
Stuck on shipping pp767 - 768 Sonja van Renssen doi:10.1038/nclimate1723 Political bickering and market complexities are stymieing attempts to regulate international shipping emissions, reports Sonja van Renssen.
Economics: Mangroves' hidden value pp773 - 774 Brian C. Murray doi:10.1038/nclimate1729 Mangroves are being lost at an alarming rate as their conversion for aquaculture and other uses is profitable. Research, however, suggests that valuing the deep reserves of carbon in mangrove sediments may be the key to their survival.
Communication of the role of natural variability in future North American climate pp775 - 779 Clara Deser, Reto Knutti, Susan Solomon and Adam S. Phillips doi:10.1038/nclimate1562 As climate models improve, decision-makers' expectations for accurate climate predictions are growing. Natural climate variability, however, limits climate predictability and hampers the ability to guide adaptation in many regions such as North America. Scientists, policymakers and the public need to improve communication and avoid raising expectations for accurate regional predictions everywhere.
Marginalization of end-use technologies in energy innovation for climate protection pp780 - 788 Charlie Wilson, Arnulf Grubler, Kelly S. Gallagher and Gregory F. Nemet doi:10.1038/nclimate1576 Mitigating climate change requires directed innovation efforts to develop and deploy energy technologies. An analysis of these directed efforts finds that efficient end-use technologies contribute large potential emission reductions and provide higher social returns on investment than do energy supply technologies. Yet public institutions, policies and financial resources pervasively privilege energy supply technologies.
Narrowing the climate information usability gap pp789 - 794 Maria Carmen Lemos, Christine J. Kirchhoff and Vijay Ramprasad doi:10.1038/nclimate1614 This Review focuses on how policymakers and others deal with scientific information about the climate, with the aim of understanding how potentially useful information becomes used (or usable) in practice. A conceptual model of the path between usefulness and usability is presented.
Sea surface temperature variability in the southwest tropical Pacific since AD 1649 pp799 - 804 Kristine L. DeLong, Terrence M. Quinn, Frederick W. Taylor, Ke Lin and Chuan-Chou Shen doi:10.1038/nclimate1583 An isotopic analysis of well-dated massive corals in New Caledonia is used to reconstruct sea surface temperature variability in the southwest tropical Pacific from 1649 to 1999. The findings will be important for climate modelling studies and for studies that predict future climatic change.
Interactions between above- and belowground organisms modified in climate change experiments pp805 - 808 Karen Stevnbak, Christoph Scherber, David J. Gladbach, Claus Beier, Teis N. Mikkelsen and Søren Christensen doi:10.1038/nclimate1544 By experimentally manipulating atmospheric carbon dioxide concentration, drought, air and soil temperature, and herbivory simultaneously, this study provides evidence that climate change affects interactions between above- and belowground organisms through changes in nutrient availability under field conditions.
Harmful filamentous cyanobacteria favoured by reduced water turnover with lake warming pp809 - 813 Thomas Posch, Oliver Köster, Michaela M. Salcher and Jakob Pernthaler doi:10.1038/nclimate1581 Evidence is presented that climate change-induced lake warming may cause the same undesired effects as have formerly emerged from excess nutrients (eutrophication). Stronger thermal stratification and reduced mixing has favoured blooming of a toxic cyanobacterium in a large temperate lake previously thought to be successfully ‘restored’ after decades of pollution. See also:News and Views by Monika Winder
Projected response of an endangered marine turtle population to climate change pp814 - 820 Vincent S. Saba, Charles A. Stock, James R. Spotila, Frank V. Paladino and Pilar Santidrián Tomillo doi:10.1038/nclimate1582 Using models and ecological data, this study shows that the eastern Pacific Ocean population of leatherback sea turtles could well face extirpation owing to climate change. However, the findings indicate that it may be possible to sustain a viable nesting population in Costa Rica throughout this century by cooling nests.
Mediterranean seagrass vulnerable to regional climate warming pp821 - 824 Gabriel Jordà, Núria Marbà and Carlos M. Duarte doi:10.1038/nclimate1533 Lush meadows of the seagrass Posidonia oceanica represent an important coastal marine ecosystem in the Mediterranean Sea and a major carbon sink. However, an analysis predicts that, in the absence of mitigation, climate change will lead to the functional extinction of P. oceanica meadows by the middle of the twenty-first century.
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