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Published: Tuesday 17 September, 2013

longchamp classic tote longchamp classic tote Gas Emissions Help Combat Climate Change

Image credit: ASU/Purdue University, Bedrich Benes and Michel AbdulMassih

One of the first steps in tackling climate change is to curb greenhousegas emissions. The trouble is, both the public and policymakers have been slow to act on a problem they cannot physi longchamp classic tote cally see.

Its easy to blame harmful emissions on China, coal companies or the nextdoor neighbor. But people would likely do more to reduce their carbon footprint if they could visualize the damage they are doing.

Historically, scientists have measured greenhouse gases, such as carbon dioxide CO2, on a broad longchamp classic tote scale. But now, researchers at Arizona State University ASU and Purdue University have developed a new model to track CO2 emissions on a much smaller scale, right down to the street level. In fact, the software program is so detailed that it can zero in on the level of CO2 emissions emitted by each individual building.

The system, named Hestia after the Greek goddess of hearth and home, combines data from local airpollution reports, traffic simulations and individual buildings energy consumption, and feeds it into a sophisticated modeling program to determine CO2 emissions at the street and building level.

The result is a colorcoded map of greenhousegas emissions, right down to the building level. The researchers hope that by quantifying and visualizing citie longchamp classic tote s CO2 emissions at such a detailed level, the software model will encourage consumers and businesses to reduce their consumption and carbon footprint. cities, which together account for nearly onequarter of total global CO2 emissions, according to the researchers.

The hope is that Hestia will influence how not only cities, but nations invest in energy and work toward being more sustainable. In fact, if applied on a larger scale, the computer model has the potential to change global leaders attitudes toward climate change.

Putting an image to the damage could be just what it takes to incent change, both at the community level and on the global stage.

These results may also help overcome current barriers to the United States joining an international climatechange treaty, explains Kevin Gurney, an associate professor in ASUs School of Life Sciences, senior scientist with the Global Institute of Sustainability and Hestias lead scientist. Many countries are unwilling to sign a treaty when greenhousegas emission reductions cannot be independently verified.

Hestia is just one part of a larger effort to measure greenhousegas emissions at both the ground and satellite levels. It was designed to complement NASAs December 2013 launch of a satellite that will measure CO2 emissions in the Earths atmosphere. longchamp classic tote