Reducing CO2 is essential for our planet to thrive. At SCS Engineers, we’ve been helping all industries, cities, and states do just that for over 50 years. We focus solely on environmental solutions; in the industry, it’s called pure environmental, along with industry rankings that consistently rank our results in the top tiers.
Our culture is one of sharing. Our professional staff are involved in their communities and global industry associations where we speak, publish and share what works openly with you. Our newest blog series will publish monthly, bringing you the latest papers, presentations, and case studies on reducing CO2.
SCS clients entrust us with managing more than 35 million metric tons of anthropogenic CO2e greenhouse gases annually. We collect and beneficially use or destroy enough to offset greenhouse gas emissions from 7.4 million passenger cars annually. That’s more than any other environmental firm in North America and proof of the results we can achieve for you.
A Call for Low Impact Development: the Time is Now, SWS 2022 Low impact developments profoundly impact stormwater management while providing more energy-efficient housing.
The Road Ahead: Carbon Sequestration This video features experts in sequestration and inventorying GHG. The sequestration of liquids is common, but gases may also be sequestered.
Potential Geochemical Effects of CO2 and Brine Leakage – Implications for CCUS Testing and Monitoring Live presentation at the National Carbon Capture Conference on November 8-9 in Des Moines, Iowa. Using an inverse thermodynamic modeling approach to simulate the effect of the progressive intrusion of CO2 and brines from the injection zone on the geochemical composition of the overlying dilute aquifer waters; we can infer which geochemical parameters are most likely to be affected by the potential intrusion of CO2 and brines.
Application of Advanced Characterization Techniques for Identification of Thermogenic and Biogenic Gases This paper discusses the identification of thermogenic and biogenic gases, the typical sources and characteristics of methane in the natural environment, and the methods of discriminating between different sources of methane for fingerprinting.
Roadmap for Sustainable Waste Management in Developing Countries, ISWA, 2022 An accomplished team of sustainability researchers deliver a concise insight into modern waste management practices that acts as a handbook for waste management professionals.
Mini-review of waste sector greenhouse gas and short-lived climate pollutant emissions in Tyre Caza, Lebanon, using the Solid Waste Emissions Estimation Tool (‘SWEET’) A completed a study of waste sector short-lived climate pollutants and other greenhouse gas emissions in Tyre Caza, Lebanon, using SWEET.
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Look for our next Preventing and Reducing CO2 blog in September!
CERLCA Jurisdiction and PRP Definition
A recent Meyers | Nave publication discusses the Supreme Court’s April 20, 2020 decision in Atlantic Richfield Co. v. Christian. The firm suggests the decision adds another layer of complexity to the Comprehensive Environmental Response, Compensation, and Liability Act – CERCLA, liability issue. The decision opens the door for state courts to hear claims that challenge EPA-defined approved clean-ups and has the potential to expand the “potentially responsible party” – PRP class for current “owners” of a “facility.”
The Court’s decision introduces new considerations into CERCLA liability analysis and settlement strategy. The Court’s holding will have many immediate ramifications, including the following:
Clean Water Act Developments
In April, the courts and federal agencies announced major developments significantly affecting regulation under the Clean Water Act – CWA and how the CWA may be applied in the future.
Each of these developments could have far-reaching implications for regulations under the CWA. Assuming the 2020 Rule withstands legal challenges, it is seen as favorable for industry and other regulated entities, while the two judicial decisions are perceived as problematic for such entities. Davis Graham & Stubbs describes each development in more detail in the firm’s recently published article.
MATS Supplemental Cost Finding and Clean Air Act RTR
On April 16, 2020, the U.S. Environmental Protection Agency (EPA) finalized the 2016 Supplemental Cost Finding for the Mercury and Air Toxics Standards – MATS, for coal- and oil-fired power plants, consistent with a 2015 U.S. Supreme Court decision. The agency also completed the Clean Air Act-required residual risk and technology review – RTR, for MATS. According to the EPA power plants are already complying with the standards that limit emissions of mercury and other hazardous air pollutants (HAPs), and this final action leaves those emission limits in place and unchanged.
However, with this final action, EPA is not removing coal- and oil-fired power plants from the list of affected source categories for regulation under section 112 of the Clean Air Act, consistent with existing case law. Those power plants remain subject to and must comply with the mercury emissions standards of the MATS rule, which remains fully in effect notwithstanding the revised cost-benefit analysis.
In addition, EPA has completed the required RTR for MATS and determined no changes to the rule are needed to further reduce residual risk. The RTR satisfies the statutory requirements set out by Congress in the Clean Air Act. More information is available on EPA’s Mercury and Air Toxics Standards website.
Proposal to Retain NAAQS for Particulate Matter
On April 14, 2020, the U.S. Environmental Protection Agency – EPA announced its proposal to retain, without changes, the National Ambient Air Quality Standards – NAAQS for particulate matter (PM) including both fine particles (PM2.5) and coarse particles (PM10).
According to the EPA because of Clean Air Act programs and efforts by state, local and tribal governments, as well as technological improvements, average PM2.5 concentrations in the U.S. fell by 39 percent between 2000 and 2018 while average PM10 concentrations fell by 31 percent during the same period.
EPA states it is following the principles established to streamline the NAAQS review process and to fulfill the statutory responsibility to complete the NAAQS review within a 5-year timeframe. More information about the rule can be found at EPA’s: National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM) Pollution website.
EPA will accept public comment for 60 days after the proposed standards are published in the Federal Register. EPA plans to issue the final standards by the end of 2020.
U.S. Greenhouse Gas Emissions and Sinks Inventory Announcement
The Environmental Protection Agency’s annual report, “Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2018,” provides a comprehensive look at U.S. emissions and removals by source, economic sector, and greenhouse gas – GHG. The gases covered by this inventory include carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, sulfur hexafluoride, and nitrogen trifluoride. The inventory also calculates carbon dioxide emissions that are removed from the atmosphere by “sinks,” e.g., through the uptake of carbon and storage in forests, vegetation, and soils.
On April 13, 2020, the EPA’s comprehensive annual report on nationwide GHG emissions released to the public. It shows that since 2005, national GHG emissions have fallen by 10%, and power sector emissions have fallen by 27%.
“While there was a small rise in emissions due to weather and increased energy demand from the prior year in this report, based on preliminary data, we expect next year’s report to show that the long-term downward trend will continue,” said EPA Administrator Andrew Wheeler.
According to the announcement, annual trends are responsive to weather variability and economic conditions. Year-over-year, national GHG emissions were 3% higher in 2018 than the prior year, due to multiple factors, including increased energy consumption from greater heating and cooling needs due to a colder winter and hotter summer in 2018 compared to 2017.
According to environmental and research groups, driving the drop’s long-term downward trend is chiefly due to a shift away from coal power generation. The 2019 drop was driven by a nearly 10 percent fall in emissions from the power sector, the biggest decline in decades [Rhodium Climate Service]. Utilities are closing coal plants in favor of cheaper natural gas and renewable energy.
Emissions from industry rose slightly last year, and are now greater than those from coal-fired power plants, most driven by a strong economy. Emissions from buildings were up, and emissions from other sectors of the economy collectively grew by more. The shift to lower-carbon energy is largely restricted to the electricity sector, and in order to meet international and state goals, state policies continue to target other sectors that collectively make up a majority of U.S. emissions.
More information is available at EPA’s website Inventory of U.S. Greenhouse Gas Emissions and Sinks.
For more information about potential impacts to waste, energy, or manufacturing please contact your nearest SCS Engineer’s office or your Project Manager.