Wed, May 16, 2007 - Page 1 News List

New Web-based carbon footprint calculator on offer

NY TIMES NEWS SERVICE , NEW YORK

A new Internet tool to help individuals and communities curb their role in adding global-warming carbon emissions was scheduled to be announced yesterday at a conference in New York of mayors from around the world, said a person who built the Web technology.

Many environmental groups offer simple carbon calculators on the Web, which allow people to figure the carbon dioxide production from daily routines like driving a car or lighting a house.

"But this is serious software, serious quantitative methods and social networking technology brought to the green world," said Ron Dembo, the chief executive of Zerofootprint, a nonprofit group that provides information and services to combat global warming.

Dembo, a founder of an analytics software company and a former Yale University computer scientist, said details of the Web service would be described at the C40 Large Cities Climate Summit, by Toronto Mayor David Miller.

The Web service, called GoZero Footprint City Calculator, is a collaboration of Zerofootprint and Business Objects, a maker of business intelligence software.

Bernard Liautaud, the chairman of Business Objects, said that his company had joined the project as an initial step in using its software to help people on the Web create a "collective intelligence" to address humanitarian issues.

On the interactive climate site, people will be able to enter data, see the carbon effect and how their carbon footprint compares with averages in their city and in cities worldwide.

They will also be able to do what-if simulations, to see how changes in their activities affect carbon emissions.

The anonymous data will be collected for analysis by climate change scientists and others.

A link to the new site, Dembo said, will be at the "initiatives" section of Zerofootprint.net.

The top-down global warming policies of governments, Dembo said, like creating environmental regulations and product standards, are important.

"But bottom-up is where we're really going to make progress," he said, "and this is a tool that can potentially enable a really massive carbon footprint reduction."

The mayors' summit is a four-day gathering that began on Monday with New York Mayor Michael Bloomberg as its host.

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