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By Proceedings of the National Academy of Sciences
Emissions spewing into the atmosphere now could easily lead to atmospheric CO2 concentrations of 1,000 parts per million by the year 2200, effectively pushing the world beyond the tipping point for irreversible climate impacts, according to a survey of 14 renowned climate scientists published last week in the Proceedings of the National Academy of Sciences.
According to Dr. Myles Allen, a climate researcher at the University of Oxford and a participant in the tipping point survey, “We are certainly capable of committing ourselves to an emissions trajectory that make 1,000 ppm in 2200 almost inevitable if we make the wrong decisions over the next 20 years.” Dr. Allen’s comments appeared in the The Independent last week.
“We are moving towards an inevitable tipping point for climate change if we don’t get our act together now,” said Durwood Zaelke, President of the Institute for Governance & Sustainable Development. “This study clearly shows that we need fast, effective mitigation measures to avoid a devastating outcome down the road.”
The future of the international climate negotiations on CO2 are uncertain, and there is a need to simultaneously target short-term climate forcers such as hydrofluorocarbons (HFCs), black carbon soot, methane, and tropospheric ozone, which will lead to near-term climate benefits.
The biggest climate opportunity of the year is being led by Parties to the Montreal Protocol ozone treaty who are advocating for production and consumption of HFCs to be phased down under that treaty. HFCs are ‘super’ greenhouse gases – some with thousands of times the warming potential of CO2 – currently being used in refrigeration, air conditioning, and foam-blowing for insulation. Many ozone- and climate-safe alternatives to HFCs are now available and many more are expected to enter the market soon, allowing Parties to leapfrog over harmful HFCs.
The proposals submitted earlier this year by Micronesia and the North American countries – US, Canada, and Mexico – would produce tremendous climate benefits – over 100 billion tonnes of CO2-equivalent in avoided emissions. Successful agreement among the 196 Parties at the November Montreal Protocol meeting in Kampala would not only be a victory for the ozone treaty, but would create much-needed momentum leading into the UNFCCC talks in Cancún. “If the Parties can reach agreement in Kampala, Mexico can bring this success and optimism to COP16, making the cooperation between the two treaties on HFCs a shared victory for climate,” said Zaelke. “Virtually eliminating one of the six greenhouse gases in the Kyoto basket would be a huge accomplishment.”
Simple, low-cost technologies can also be high-impact: filters for diesel vehicles and cleaner-burning cookstoves can significantly reduce black carbon, which, in addition to leading to higher temperatures and melting snowpack, is also a contributor to deadly respiratory infections. Improved forest management and production of biochar to sequester carbon are other strategies that can help draw down the CO2 concentration in the atmosphere.
“This study doesn’t paint a very pretty picture of our future world, but we still have a chance to change it – there are solutions out there that are fast, cost-effective, and provide big returns in climate benefits,” added Zaelke. “We need to set these wheels in motion now if we hope to win the climate change battle.”
www.pnas.org
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Renewal Magazine
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With the Washington budget showing no signs of a quick-and-easy resolution, federal brownfields programs are unlikely to get much of …
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Brownfields and crop development—for the express intent of producing foods—are concepts that have always been strange bedfellows. Mutually exclusive. An…
At this abandoned, blighted factory—consisting of 187,227 square feet in 21 different structures on 13.5 acres in the three…
PROJECT GOAL: To revitalize land that had been sitting idle for years by putting the property back into productive…
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This Weeks Poll
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  Will the EPA Workforce Development and other similar environmental jobs programs signal the start of a revitalized U.S. job market?
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Industry Profiles
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Sam Adams Portland, Oregon
City Commissioner, Mayor-elect
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Rita Kottke Oklahoma
Brownfield Program Manager, Oklahoma Dept. of Environmental Quality
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Whitepapers
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by Jody Kass, Laura Truettner, John Fleming, and Jeff Jones
The new report by New Partners for Community Revitalization (NPCR) shows how New York State is revitalizing neighborhoods plagued by multiple brownfield sites, while stimulating economic growth and creating local jobs.
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By Jody Kass, Laura Truettner, John Fleming, Jeff Jones
Brownfields redevelopment policy in New York is in transition as the area-wide approach emerges as an innovative tool for urban revitalization. |
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by Laura Truettner
In April, 2011, New York State awarded $6.5 million in new grants under its landmark Brownfield Opportunity Areas (BOA) program, bringing the total state investment in BOA to $34 million. |
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Press Releases
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| Brownfields Forum, BOA EXPO,
Award to Suffolk County Executive-Elect Steven Bellone |
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Industry Experts
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Susan Boyle
Mt. Laurel
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