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Denver to Barcelona: Global cities and greenhouse gas emissions
September 24, 2009Denver released the largest amount of greenhouse gases (GHG) and Barcelona the smallest amount in a new study documenting how differences in climate, population density and other factors affect GHG emissions in global cities. The study, which could identify ways in which cities can reduce GHG emissions, is scheduled for October 1 issue of ACS' Environmental Science & Technology, a semi-monthly journal.
Christopher Kennedy and colleagues note in the new study that some cities are developing strategies to reduce releases of GHG, which include carbon dioxide, methane, and other gases that can contribute to global warming through the greenhouse effect. Not enough information was previously available on why emissions vary considerably among different cities. The authors asked, "How and why do emissions differ between cities?"
To help answer those questions, the scientists analyzed those variations and how climate, power generation, transportation, waste processing, and other factors contributed to the differences. Denver had the highest overall GHG emissions, with levels two to five times higher than other cities. Its high levels were due partly to its high use of electricity, heating and industrial fuels, and ground transportation, they note. Los Angeles was second on the list, followed by Toronto and Cape Town (tied for third), Bangkok, New York City, London, Prague, Geneva, and Barcelona.
American Chemical Society
American Chemical Society
Greenhouse Gas Emissions Current Events and Greenhouse Gas Emissions News RSSTEEB report released on the economics of ecosystems and biodiversity for policy makers
Policy makers who factor the planet's multi-trillion dollar ecosystem services into their national and international investment strategies are likely to see far higher rates of return and stronger economic growth in the 21st century.
Record highs far outpace record lows across US
Spurred by a warming climate, daily record high temperatures occurred twice as often as record lows over the last decade across the continental United States, new research shows.
Reducing greenhouse gases may not be enough to slow climate change
Because land use changes are responsible for 50 percent of warming in the US, policymakers need to address the influence of global deforestation and urbanization on climate change, in addition to greenhouse gas emissions.
Researchers Hail Innovative Plan to Save Rainforest, Reduce Greenhouse Gas Emissions
An innovative proposal by the Ecuadorian government to protect an untouched, oil rich region of Amazon rainforest is a precedent-setting and potentially economically viable approach, says a team of environmental researchers from the University of Maryland, the World Resources Institute and Save America's Forests.
Report on US-China collaboration on carbon capture and sequestration
Lawrence Livermore National Laboratory's Julio Friedmann, in collaboration with the Center for American Progress, the Asia Society Center and with partner Monitor Group, today released the report, "A Roadmap for U.S.-China Collaboration on Carbon Capture and Sequestration."
Study gives clearer picture of how land-use changes affect U.S. climate
Researchers say regional surface temperatures can be affected by land use, suggesting that local and regional strategies, such as creating green spaces and buffer zones in and around urban areas, could be a tool in addressing climate change.
North America automobile sector bottom of 'world sustainability league'
The study, entitled Sustainable Value in Automobile Manufacturing, looks at the sustainability performance of 17 leading car manufacturers worldwide between 1999 and 2007.
Plugging into an electric vehicle revolution
A road trial of plug-in hybrid electric vehicles (PHEVs), which could one day end up in every Australian driveway, is underway.
Simple measures can yield big greenhouse gas cuts, scientists say
New technologies and policies that save energy, remove atmospheric carbon and limit greenhouse gas emissions are needed to fight global climate change - but face daunting technological, economic and political hurdles, a Michigan State University scientist said.
Miscounting bioenergy benefits may increase greenhouse gas release
A fixable error in the way carbon is counted in current U.S. climate legislation and in the Kyoto Protocol could undermine efforts to reduce greenhouse gas emissions by using biofuels, says a premier group of national environmental and land use scientists.
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2008 Global Conference: Lessons from California: Clean Tech and Energy Innovation California often blazes new trails for the rest of nation, especially when it comes to progressive environmental policies and energy efficiency. The state has established the world's most stringent energy standards for buildings and appliances, launched a "million solar roofs" initiative and set a statewide cap on greenhouse gas emissions. A panel of distinguished Californians -- including former governors Jerry Brown and Gray Davis -- gathered at the 2008 Milken Institute Global Conference to discuss the state's efforts in clean technology and energy innovation. How did California become so energy-efficient? What are the lessons for other states and countries? Could California and the Southwest become the "Saudi Arabia of Solar"? This product is manufactured on demand using DVD-R... |
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The New Business Climate: A Guide to Lower Carbon Emissions and Better Business Performance by Rocky Mountain Institute Using The New Business Climate as a guide, businesses can gain competitive advantage, manage risks, and increase profitability by choosing a proactive carbon emissions reduction strategy. |
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