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  • Collection Climate Change Resilience
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  • Material Type Assessment
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Our precious coasts - Marine pollution, climate change and the resilience of coastal ecosystems
Climate Change Resilience, Waste Management and Pollution Control
Available Online

Corcoran, E.

,

Nellemann, C.

2006
Massive coral bleaching episodes have impacted the function of the reefs and increased rates of mortality. Coral reefs support over one million plant and animal species and their economic value is pro¬jected to more than US $ 30 billion annually. Extreme climatic con¬ditions, however, are most likely to increase in the future with cur¬rent climate scenarios. Projected increases in carbon dioxide and temperature exceed the conditions under which coral reefs have flourished over the past 500 000 years. Coral reefs are crucial bio¬diversity hotspots and support both coastal fisheries and tourism in many regions. Coral reefs, however, are in decline in many regions as a result of numerous pressures, including, but not limited to, extreme climate events, unsustainable fishing practices, diseases, sedimentation, and discharge of untreated sewage. Increasing re¬silience and securing rapid recovery of coral reefs will be essen¬tial for the ability of these ecosystems to support coastal fisheries and coastal livelihoods and cultures in the future. However, this resilience and recovery may be seriously impounded by unsustain¬able coastal infrastructure development and marine pollution from land-based sources. At the current rate of growth, coastal develop¬ment may impact up to 90% of the tropical and temperate coast¬lines by 2032 if development continues unchecked. While progress has been made to reduce the discharge and impacts of oil spills and persistent organic pollutants (POP’s), there now needs to be a focus on the largest current threats to the coastal marine environment : untreated sewage and piecemeal coastal development.
Tonga National Capacity Self Assessment for Global Environment Management : stocktaking and thematic assessment report
Climate Change Resilience
Available Online

Lutui Vika ... [et al.]

The people, environment and economy of the Kingdom of Tonga are highly susceptible to the effects of climate change, climate variability and sea level rise. This high vulnerability is a function of the country’s degree of exposure to climatic events and its limited capacity to adequately adapt to these effects. Although the concentrations of Tonga’s GHG emission are insignificant in comparison to global standards, the country is still working towards effectively implementing its share of the global actions aimed at mitigating the causes of climate change. Such adaptation and mitigation requirements are putting significant pressure on the country’s limited resources and international and regional assistance has been a main source of support. Since acceding to the United Framework Convention on Climate Change (UNFCCC) in 1998 the government and people of the Kingdom of Tonga have been implementing measures to address climate change issues at the national level and contribute to global efforts. While there has been some progress there are also a range of areas where more work is needed and where capacity needs to be developed and strengthened. This report presents the experiences and challenges faced by the government and people in addressing climate change related issues and identifies the priority capacity development needs of the country to enable it to address climate change and also meet its obligations as a Party to the UNFCCC.