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

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Depletion of fresh water reserves [m 3 ]. Deterioration of the ozone layer [kg CFC-11-eq.]. Eutrophication of non-marine aquatic environments [kg N-eq.]. Eutrophication of non-marine aquatic environments [kg P-eq.]. Land occupation in an urban environment [m 2 / year]. Human toxicity [kg 1,4-DC-eq.].

Mariner 435
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Study Finds Ozone, Nitrogen Change the Way Rising CO2 Affects Earths Water

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Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. Credit: NASA. Click to enlarge.

Ozone 186
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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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This is especially the case for those draining nitrogen-enriched urbanized and agricultural watersheds, highlighting the importance of managing nitrogen before it reaches open water. Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. Beaulieu et al. PNAS doi: 10.1073/pnas.1011464108.

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Climate Expert: Don't Call It Geoengineering

Cars That Think

We see it as similar to the ozone hole problem, where we really needed a tight, science-based focus on the limits to human inputs to the system--and howthose inputs affected the ozone layer's ability to keep people safe. What do we have to offer these billion people? But do you want to sum up what they're doing?

Climate 143
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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

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The report released by the United Nations Environment Programme (UNEP), entitled Climate Change Science Compendium 2009 , highlights new research that identifies some events thought likely to occur in longer-term time horizons as already happening or set to happen far sooner than had previously been thought. Earlier post.). Ecosystems.

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Study finds marine workboat engines staying in service two times longer than estimated by EPA; emissions reduction implications

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The US Army Corps of Engineers estimates that, as of 2014, there were approximately 9,000 Category 1 and 2 marine vessels operating on US waters. Starting in 2015, new diesel engines used in marine applications in the United States were required to meet Tier 4 emissions standards. Elena Craft, EDF Senior Director.

Mariner 223
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Here’s How We Could Brighten Clouds to Cool the Earth

Cars That Think

Take, for example, the tens of thousands of fossil-fueled ships that chug across the ocean, spewing plumes of pollutants that contribute to acid rain, ozone depletion, respiratory ailments, and global warming. Marine Cloud Brightening (MCB) Project intends to answer. That's the question the.

Climate 145