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The report argues that expanding global networks of no-take marine protected areas (MPAs) is economically advisable, with benefits significantly outweighing costs across all analyzed scenarios. Using a cost-benefit analysis for the period 2015-2050, the study finds that expanding coverage to 30% can generate net benefits between US$490 billion and US$920 billion. The highest returns are associated with 'Protect to Preserve' scenarios that target high-biodiversity areas with low human impact. While MPAs enhance biodiversity, fisheries productivity through spillover, and carbon sequestration in mangroves, the report notes significant data gaps regarding the quantification of various ecosystem services and the specific impacts on high-seas and polar regions.

The document introduces the Adaptive Marine Policy Toolbox (AMP-Toolbox), developed under the PERSEUS project to bridge the gap between scientific knowledge and policy execution in marine management. The toolbox is specifically designed to support the requirements of the EU Marine Strategy Framework Directive (2008/56/EC), which mandates the use of an Ecosystem-Based Approach (EBA) to achieve 'Good Environmental Status' by 2020. The AMP-Toolbox provides a structured, four-level web-based framework—ranging from a five-step policy cycle to specific resources and models—that incorporates scenario planning, stakeholder involvement, and cyclical learning to handle environmental uncertainties and climate change impacts. While primarily aligned with EU directives, the authors note the toolbox's transferability to other frameworks like the Mediterranean Action Plan and the Black Sea's Strategic Action Plan. Future implementation will involve pilot testing in the Western Mediterranean, Adriatic, Aegean, and Western Black Sea to refine the tool based on real-world stakeholder feedback.

The document discusses the implementation of the landing obligation under the new Common Fisheries Policy, emphasizing that it is not a blanket ban but a partial obligation with specific exemptions and flexibilities. It argues that these mechanisms must be managed lawfully to avoid undermining the goal of Maximum Sustainable Yield (MSY).

The author contends that Greece's current tourism strategy, characterized by unplanned infrastructure and the legalization of illegal developments, is eroding the natural landscapes that attract visitors. The text criticizes recent legislative efforts to promote large holiday compounds and remove protections from forests, while proposing an alternative model based on the renovation of abandoned buildings and the sustainable management of natural and cultural heritage.

The document defines Maximum Sustainable Yield (MSY) as the highest amount of fish that can be harvested from a stock indefinitely without causing depletion. It details the biological reference points used to estimate MSY—BMSY, SSBMSY, and FMSY—and emphasizes the necessity of a 'precautionary approach' to account for environmental uncertainties and data gaps. The guide notes that 57% of Europe's fish stocks are currently overfished and highlights legal and international commitments to reach MSY by 2015 (where possible) and 2020 for all stocks under the Marine Strategy Framework Directive.

The report develops a high-resolution global inventory of ship emissions (SOx, NOx, PM, and black carbon) using power-weighted ICOADS data. It argues that a business-as-usual (BAU) growth rate of 4.1% per year, driven by trade globalization and containerization, will likely offset current IMO emission control measures. The authors conclude that fleetwide reductions of at least 60% would be required within two decades to maintain 2002 pollution levels.

The IFC asserts that the BTC Pipeline and ACG Phase 1 projects comply with its environmental and social safeguard policies, rejecting claims from NGOs that the projects lacked proper alternatives analysis, failed to protect natural habitats, or violated involuntary resettlement and indigenous peoples' policies. The document details the IFC's due diligence, including the use of Resettlement Action Plans (RAPs), the implementation of a US$2.5 million Natural Habitats Offset Program, and the conduct of Multi-stakeholder Forum meetings with over 800 participants. It specifically defends the routing through Georgia's Modified Central Corridor and the use of 'expedited expropriation' under Article 27 of Turkey's Expropriation Act, arguing these measures were necessary and legally sound.

The document analyzes a spectrum of decision-making models in international law, ranging from strict consensus to majority voting, to identify effective procedures for managing highly migratory fish stocks in the Western and Central Pacific.

The document argues that carbon capture and storage (CCS) is essential for the EU to achieve climate neutrality by 2050, particularly for harder-to-abate sectors like cement, steel, and chemicals. The signatories call for the Clean Industrial Deal to address critical gaps, including the lack of operational commercial-scale storage sites in the EU and the need for cross-border transport networks. Key recommendations include ensuring geographically balanced storage development to avoid leaving Central, Eastern, and Southern Europe behind, creating strong demand signals for decarbonised products through public procurement, and addressing funding gaps via the Competitiveness Fund and Important Projects of Common European Interest (IPCEI). The letter also emphasizes the need for international partnerships, specifically mentioning the removal of regulatory barriers to access storage in the UK and the Mediterranean Sea.

The document details how offshore oil and gas activities—from exploration to decommissioning—damage marine ecosystems and coastal communities, highlighting specific risks like noise pollution, chemical contamination, and invasive species across various global hotspots.

ClientEarth's feedback on the EU's Offshore Renewable Energy Strategy emphasizes the need for high environmental standards, public transparency, and regional cooperation. It argues that the strategy must adhere to the 'do no harm' principle and the precautionary principle, ensuring that the deployment of offshore wind and other ocean energies does not compromise biodiversity or ignore the rights of public participation under the Aarhus Convention. The document suggests a regional approach to grid development and targeted financial support for technologies that have not yet reached grid parity, such as wave energy.

The joint NGO response argues that EU fisheries management fails to fully implement the Common Fisheries Policy (CFP) and the Marine Strategy Framework Directive (MSFD), leading to missed deadlines for ending overfishing. The authors contend that Total Allowable Catches (TACs) are routinely set above scientific advice, particularly for depleted stocks caught as bycatch, which creates a cycle of overexploitation and 'choke' situations. They recommend setting fishing opportunities well below the 'headline' scientific advice from ICES to account for ecosystem dynamics and uncertainties. Key demands include the full implementation of the Landing Obligation, the roll-out of Remote Electronic Monitoring (REM), and the rejection of any revisions to the Western Mediterranean multiannual plan (MAP) that would weaken its objectives.

The WARICC codebook details the construction of a dataset designed to analyze the frequency and intensity of domestic water-related conflict and cooperation. Using BBC Monitoring as its primary source, the project employs an 11-point Water-Events Scale (WES) to categorize events from substantial national improvements (+5) to overt physical violence or national deterioration (-5). The methodology addresses potential data biases related to urban areas, regime types, and extreme events, while providing a comprehensive system of country and actor codes for standardized reporting.

The guide advises consumers to avoid purchasing items made from endangered species, such as beluga caviar, ivory, rhino horn, shahtoosh, pangolin and sea turtle leather, big cat furs, and tortoiseshell. It highlights the illegal nature of these trades and the ecological threats they pose, including the extinction of the Caspian Sea beluga sturgeon and the poaching of over 1 million pangolins over a decade. For certain items like exotic pets, coral, crocodile leather, and rare succulents, the guide recommends extreme caution, urging buyers to verify legality, permits, and sustainable sourcing to avoid supporting illegal wild-harvesting in regions such as Mexico and South Africa.

Whale sharks are the world's largest fish, reaching up to 60 feet, and face threats from bycatch, the fin trade, plastic pollution, and climate change. WWF works to protect their habitats and reduce illegal trade, specifically supporting sustainable tourism and population monitoring on Mafia Island, Tanzania, where the population grew from 100 individuals in 2012 to around 180.