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A comprehensive series of nuclear tests were carried out by the United States at Enewetak Atoll in the Marshall Islands, especially between 1952 and 1958. A Porites Lutea coral that was growing in the Enewetak lagoon within a few km of all of the high-yield tests contains a continuous record of isotopes, which are of interest (e.g. 14 C, 236 U, 239, 240 Pu) through the testing period. Prior to the present work, 14C measurements at ~2-month resolution had shown pronounced peaks in the D 14C data that coincided with the times at which tests were conducted. Here were port measurements of 236 U and 239, 240 Pu on the same coral using accelerator mass spectrometry, and again nd prominent peaks in the concentrations of these isotopes that closely follow those in 14C. Consistent with the 14C data, the magnitudes of these peaks do not, however, correlate well with the explosive yields of the corresponding tests, indicating that smaller tests probably contributed disproportionately to the debris that fell in the lagoon. Additional information about the different tests can also be obtained from the 236 U/ 239 Pu and 240 Pu/ 239 Pu ratios, which are found to vary dramatically over the testing period. In particular, the rst thermonuclear test, Ivy-Mike, has characteristic 236 U/239 Pu and 240 Pu/ 239 Pu signatures which are diagnostic of the rst arrival of nuclear test material in various archives.

The 2016 State of Environment (SOE) Report for the Republic of Marshall Islands (RMI) updates the 1992 SOE report. It uses the DPSIR model (Drivers, Pressures, State, Impact and Response) and aims to:| Document the key drivers and pressures behind the changing environment.| Assess the RMI environment since 1992, using the best available information on the state of RMI’s environment in seven key themes: Atmosphere and Climate, Land, Marine, Biodiversity, Culture and Heritage, Built Environment and Nuclear Legacy.| Document the impacts of environmental changes on the society, economy and environment from changes in the state of the environment.| Document current responses to protect and better manage RMI’s natural resources.| Provide recommendations for RMI to address key challenges and link them to actions in the National Environmental Management Strategy (NEMS) and other key policy documents. This report is comprised of three discussions: 1. Drivers and Pressures in Marshall Islands: A summary of the main points discussed in the Pressures and Drivers section of the report. 2.The State of RMI’s Environment and Impacts on the Society, Economy and Environment: Key findings for each of the seven themes. 3. Responses and Recommendations – Challenges in Moving from Policy to Action: This presents key responses, opportunities, challenges and recommendations.

"This book is the first complete pictorial atlas of the world's ray fauna. It also provides general identifying features and distributional information about this iconic, but surprisingly poorly known, group of fishes"

The Pacific Islands Roundtable for Nature Conservation (PIRT) Planning Meeting was convened in Suva on the 30th of March 2016. The main objective of the Planning Meeting was to discuss priority activities of PIRT and plan towards key events and activities commencing in 2016 and early 2017. The meeting was attended by: Taholo Kami (Chair, IUCN), Stuart Chape (SPREP,) Easter Galuvao (SPREP), Etika Rupeni (IUCN), Scott Radway (SeaWeb), Crissy Canlas (SeaWeb), Bridget Kennedy (CI), Jan Steffen (GIZ-MACBIO), Donald Stewart (Birdlife), Mark O’Brien (Birdlife), Eleni Tokaduadua (DOE-Fiji), Aminiasi Qareqare (DOE-Fiji), Prof. Elizabeth Holland (USP), Sangeeta Mangubhai (WCS) and Payal Maharaj (SPREP).

In 2010, the Parties to the Convention on Biological Diversity (CBD), adopted the Strategic Plan for Biodiversity 2010-2020 and its 20 Aichi Biodiversity Targets. It has since been endorsed by multiple Multilateral Environmental Agreements as a global framework for biodiversity. In 2015, the members of the United Nations adopted the 2030 Agenda for Sustainable Development and its Sustainable Development Goals. These constitute two of the most important environment and sustainable development commitments ever made by governments in the international fora, and both recognize the important role of protected areas as a key strategy for biodiversity conservation and sustainable development in the targets they contain, for example, Aichi Biodiversity Target 11, SDG goals 14 and 15. The global protected areas estate is therefore an important contribution to achieving these commitments. The Protected Planet Report 2016 assesses how protected areas contribute to achieving the Aichi Biodiversity Targets and relevant targets of the Sustainable Development Goals, and highlights current research and case studies as examples of the role protected areas play in conserving biodiversity and cultural heritage.

Factsheet on mobula rays and their worldwide decline.

Biodiversity offsets are being increasingly used in a wide range of sectors as a mechanism to help compensate for the adverse effects caused by development projects in a variety of ecosystems. Based on the polluter pays approach, they are normally undertaken within an overall objective of no net loss of biodiversity. Their design and implementation features are critical to determining their environmental and cost effectiveness, as well as their distributional implications. This publication examines the opportunities and challenges associated with biodiversity offset programmes and provides policy makers and practitioners with good practice insights on their design and implementation so as to ensure more effective outcomes. It draws on lessons and insights from more than 40 case studies worldwide and three in-depth reviews from the United States, Germany and Mexico.

Synthetic biology is an emerging field and industry, with a growing number of applications in the pharmaceutical, chemical, agricultural and energy sectors. It may propose solutions to some of the greatest environmental challenges, such as climate change and scarcity of clean water, but the introduction of novel, synthetic organisms may also pose a high risk for natural ecosystems. This Future Brief outlines the benefits, risks and techniques of these new technologies, and examines some of the ethical and safety issues.

The Satoyama Initiative is "a global effort to realise societies in harmony with nature", started through a joint collaboration between the United Nations University (UNU) and the Ministry of the Environment of Japan. The initiative focuses on the revitalisation and sustainable management of "socio-ecological production landscapes and seascapes" (SEPLS), areas where production activities help to maintain biodiversity and ecosystem services in various forms while sustainably supporting the livelihoods and well-being of local communities.

Wild and managed pollinators provide a wide range of benefits to society in terms of contributions to food security, farmer and beekeeper livelihoods, social and cultural values, as well as the maintenance of wider biodiversity and ecosystem stability. Pollinators face numerous threats, including changes in land-use and management intensity, climate change, pesticides and genetically modified crops, pollinator management and pathogens, and invasive alien species. There are well-documented declines in some wild and managed pollinators in several regions of the world. However, many effective policy and management responses can be implemented to safeguard pollinators and sustain pollination services.