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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climate change [kg CO 2 -eq.]. Depletion of fresh water reserves [m 3 ]. Eutrophication of non-marine aquatic environments [kg N-eq.]. Eutrophication of non-marine aquatic environments [kg P-eq.].

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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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Significant climate anomalies 2008/2009. Source: Climate Change Compendium. Losses of tropical and temperate mountain glaciers affecting perhaps 20-25% of the human population in terms of drinking water, irrigation and hydro-power. per year from 2000-2007. Click to enlarge. Earlier post.). Earlier post.).

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Wärtsilä and partners developing emissions-free barge concept

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The concept is supported by the Dutch Ministry of Infrastructure and Water Management. By switching from diesel-fueled propulsion to fully electrically powered transport, an important step can be taken towards realizing the Paris Climate Agreement goals. Barge power usage varies from 500 to 1000 kW.

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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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The hybrid LCA model for their study combined physical inventories from the Ecoinvent database and monetary inventories from environmentally extended input-output (IO) tables for the year 2000 developed for the EXIOPOL project. 80% is due to activities in the Europe region.

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Analysis of drill cores links variations in CO2 40M years ago to changes in global temperatures; questions as to the source of CO2

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“Bijl et al.were able to calculate absolute CO 2 levels, indicating that the baseline level was already 1000 to 2000 parts per million by volume (ppmv) in the Eocene (versus 390 ppmv today and 270 ppmv before industrialization).

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Researchers find that abiotic methane can charge deepsea Arctic gas hydrates

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Researchers from the Centre for Arctic Gas Hydrate, Environment and Climate (CAGE) at the Arctic University of Norway have discovered a growing Arctic abiotic methane- and methane hydrate–charged sediment drift on oceanic crust in the deep Fram Strait of the Arctic Ocean. —Joel Johnson. —Johnson et al.

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New Study Shows that Sea Level Rise Resulting From Collapse of West Antarctic Ice Sheet Would be Non-Uniform; Some Regions to See Levels Much Higher Than Previously Predicted

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Recent projections of sea-level rise after a future collapse of the West Antarctic Ice Sheet (for example, the Fourth Intergovernmental Panel on Climate Change Assessment Report) assume that meltwater will spread uniformly (eustatically) across the oceans once marine-based sectors of the West Antarctic are filled. Mitrovica et al.

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