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Kumar Venkat
Portland, OR
Technologist, science buff, sustainability expert, writer
Recent Activity
Published at: www.commondreams.org/views/2017/03/29/reframing-here-and-now-how-fight-back-climate-front Climate change programs are up for elimination with the proposed 31 percent cut to the Environmental Protection Agency’s budget and the dismantling of the Clean Power Plan. While environmentalists are protesting this, we are not seeing a... Continue reading
Posted Mar 29, 2017 at Green Metrics, Clean Metrics
It is a cliché that everything goes in cycles -- up and down, creation and destruction, end of one thing and the beginning of something else. It is also reality. I had the great fortune to run two small businesses... Continue reading
Posted Jun 30, 2012 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2012/03/26/getting-a-handle-on-geographic-emissions/ With the recent addition of the scope 3 greenhouse gas emissions accounting standard, there is at least a broad understanding of how corporate emissions should be quantified and what the benefits would be – even if only... Continue reading
Posted Mar 5, 2012 at Green Metrics, Clean Metrics
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Published at: http://www.environmentalleader.com/2012/03/20/when-emissions-are-outsourced/ At first glance, CO2 emissions growth from fossil fuels and industrial processes look fairly benign for developed countries. Compared to a 1990 baseline, emissions peaked in 2007 at just 0.4% above the baseline and then dropped for... Continue reading
Posted Feb 21, 2012 at Green Metrics, Clean Metrics
Published at: http://www.greenbiz.com/blog/2012/02/21/there-leaner-way-footprint When Tesco recently announced its decision to drop carbon footprint labels from its products, it wasn't so much a Shakespearean dilemma but simply a matter of the excessive cost and time involved. There probably isn't enough money... Continue reading
Posted Feb 21, 2012 at Green Metrics, Clean Metrics
Published at: http://www.greenbiz.com/blog/2012/02/10/3-ways-get-ahead-climate-change-without-ditching-oil-yet Greenhouse gas emissions are at record highs. The world's major emitters recently failed once again to reach an agreement to limit emissions. In the midst of all the gloom and doom, it is understandable that the International... Continue reading
Posted Feb 10, 2012 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2012/02/15/six-lesser-known-climate-facts/ Climate change seems to have taken a back seat lately both in policy debates and business strategies. But this is generally not the case in the research community, where rigorous analyses of climate change mitigation proposals are... Continue reading
Posted Feb 5, 2012 at Green Metrics, Clean Metrics
Published at: http://www.oregonlive.com/opinion/index.ssf/2011/12/sustainable_consumption_for_al.html As the holiday shopping season got off to an early start this year, clothing company Patagonia took a courageous stand with a full-page ad in The New York Times telling consumers to buy less. The ad went... Continue reading
Posted Dec 13, 2011 at Green Metrics, Clean Metrics
Published at: http://www.greenbiz.com/blog/2011/12/06/climate-change-and-consumption-trap It took a major financial crisis to slightly slow down the global emissions of greenhouse gases. According to the International Energy Agency, emissions dipped in 2009 due to the recession and then climbed back to a record... Continue reading
Posted Dec 6, 2011 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2011/12/05/resource-efficiency-vs-carbon-reduction/ The dramatic improvements in efficient lighting technologies over the past three centuries have left the energy intensity of lighting unchanged. The higher energy efficiencies have all been used up by ever-expanding lighting applications. And the share of... Continue reading
Posted Nov 28, 2011 at Green Metrics, Clean Metrics
Published at: http://www.sustainablebusinessoregon.com/columns/2011/11/will-10-billion-of-us-have-enough-to.html When the world's seven billionth person was born last month, that event was merely a signpost along a much longer and arduous path. The world population is projected to reach 9.3 billion by mid-century and exceed 10... Continue reading
Posted Nov 28, 2011 at Green Metrics, Clean Metrics
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Published at: http://www.environmentalleader.com/2011/11/14/closing-the-materials-loop/ While shopping for copy paper recently, I noticed that recycled multipurpose paper is often priced 50 percent higher than comparable virgin paper. A pack of mechanical pencils made with recycled plastic costs significantly more than the same... Continue reading
Posted Nov 7, 2011 at Green Metrics, Clean Metrics
More details in our news release: http://www.cleanmetrics.com/pages/CleanMetrics-MetaFlowScope-NewsRelease.pdf Continue reading
Posted Oct 12, 2011 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2011/09/28/the-anatomy-of-food-waste/ Consider this. There is one economic sector that is essential for survival and accounts for a considerable share of our daily expenses and GHG emissions – and some 28 percent of the production in this sector (in... Continue reading
Posted Sep 28, 2011 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2011/08/24/scope-3-pivoting-to-material-efficiency/ The upcoming release of the scope 3 emissions reporting standard from the GHG Protocol is significant for two reasons. One is the more obvious reason: The larger part of emissions resulting from a company’s operation usually belongs... Continue reading
Posted Aug 9, 2011 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2011/07/21/is-sustainability-all-about-the-supply-chain A manufacturer of home decorative items engaged my company sometime ago to conduct a scope 1 and scope 2 GHG emissions inventory, mainly to meet the requirements of a retailer’s sustainability scorecard. The manufacturer was eager to... Continue reading
Posted Jul 12, 2011 at Green Metrics, Clean Metrics
Sign up to receive info on EWG's upcoming Meat Eater's Guide to Climate Change & Health http://t.co/JAcI67x - based on CleanMetrics food LCAs. Continue reading
Posted Jul 12, 2011 at Green Metrics, Clean Metrics
Published at: http://www.environmentalleader.com/2011/06/14/framing-the-food-sustainability-challenge/ Here is a mind-boggling estimate from Jason Clay of the World Wildlife Fund: We will need to produce 2.5 times as much food in the next 90 years as we have in all of the last 8,000... Continue reading
Posted Jun 14, 2011 at Green Metrics, Clean Metrics
A life-cycle assessment of a hypothetical MyPlate diet shows that greengouse gas emissions are dominated by protein consumption and animal foods in general. More at http://www.cleanmetrics.com/pages/MyPlateClimate.pdf . Kumar Venkat Continue reading
Posted Jun 7, 2011 at Green Metrics, Clean Metrics
Published at: http://sustainableindustries.com/articles/2011/05/waste-not Material efficiency brings big savings while slashing greenhouse-gas emissions. Much of today’s corporate energy, water and carbon management focuses on what happens within the boundaries of an organization. But the larger part of resource use and emissions... Continue reading
Posted May 23, 2011 at Green Metrics, Clean Metrics
I happen to think that the ROI of LCA projects hasn't been great. All too often, they have been expensive, time-consuming and cumbersome. The key is to have LCA software tools that are well-integrated with the right LCI databases, easy... Continue reading
Posted Mar 31, 2011 at Green Metrics, Clean Metrics
Our preliminary analysis of USDA data shows that at least 152 MMT CO2e (million metric tonnes of carbon-dioxide equivalents) are added to the atmosphere annually from the production, transportation and disposal of wasted food in the US -- over 16%... Continue reading
Posted Mar 28, 2011 at Green Metrics, Clean Metrics
We waste, on average, more than a third of all the food produced in this country. Everyone agrees that this screams out for a solution. Reducing waste may be the best way to reduce the environmental impact of food production.... Continue reading
Posted Mar 12, 2011 at Green Metrics, Clean Metrics
Methane production for grass-fed beef is higher (by a factor of 2-4) compared to grain-fed. There are a number of studies that support this. The IPCC Guidelines for GHG Inventories (vol. 4, chap. 10) provide emission factors based on the research literature(as of a few years ago): http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/4_Volume4/V4_10_Ch10_Livestock.pdf . The higher methane production can potentially swamp out any advantage that grass-fed beef may have from the avoided production of grains. Our internal LCAs confirm this. Also see this recent published LCA: Pelletier, et al, Comparative life cycle environmental impacts of three beef production strategies in the Upper Midwestern United States, Agricultural Systems (2010). Kumar
Our free food carbon emissions calculator got a nice writeup on TreeHugger. Kumar Venkat Continue reading
Posted Feb 12, 2011 at Green Metrics, Clean Metrics