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Marine Ecosystems Capture Carbon Emissions Equal to Near 50% of Emissions of Global Transport; UN Agencies Propose Blue Carbon Fund for Their Support

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The report estimates that carbon emissions equal to half the annual emissions of the global transport sector are being captured and stored by marine ecosystems such as mangroves, salt marshes and seagrasses. Marine-living organisms range from plankton and bacteria to seagrasses, saltmarsh plants and mangrove forests. Click to enlarge.

Mariner 170
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NTNU study finds ships’ and spare parts’ contribution to offshore wind power lifecycle impacts has been underestimated

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If offshore installation and maintenance costs are to some considerable degree attributable to the burning of fuel oil in vessels, associated pollution is important. As for toxic releases from waste handling, disposal of tailings in relation with mineral resource extraction and disposal of smelter slag are dominant pollution sources.

Wind 199
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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

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An international study of 10 global cities found that a balance of geophysical factors (climate, access to resources, and gateway status) and technical factors (power generation, urban design, and waste processing) determine the greenhouse gas emissions (GHGs) attributable to cities. t e CO 2 /cap., with New York City also high.

Emissions 199
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Singapores A*Star Awards S$27.5M In Research Grants for Technologies for Sustainable Development

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The funding from A*STAR’s Science and Engineering Research Council (SERC) will support research teams from A*STAR research institutes and local institutes of higher learning to develop solutions to manage environmental deterioration, pressures on natural resources and climate change brought on by rapid growth and urbanization.

Singapore 240
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Perspective: The UN Approval Process for Carbon Offsets

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Verification of the emission reduction or carbon sequestration is critical in efforts to mitigate climate change. One question is who will be responsible for verifying changes in carbon, which raises questions about the role of a regulatory agency for accrediting claimed changes in carbon levels from an activity.

Carbon 255
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DNV GL paper suggests near-term success for LNG in shipping; alternative fuel mix to diversify over time

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Well-to-Propeller GHG emissions results for marine alternative fuels. LNG as fuel eliminates SO x emissions, significantly reduces NO x and particulate matter, and also reduces GHG emissions—although not to the levels that would be required for addressing climate change. Source: DNV GL. Click to enlarge.

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Report for IPCC finds renewables could supply up to 77% of global energy by 2050 under most optimistic scenario; need for enabling public policies and investments

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Up to 77% of the world’s energy supply could be met by six key renewables by mid-century under the most optimistic scenario if backed by the right enabling public policies, according to a new report by more than 120 researchers working with the Intergovernmental Panel on Climate Change (IPCC). 50 Exajoules per year.

Renewable 218