This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
The President’s Council of Advisors on Science and Technology (PCAST) released a letter to President Obama describing six key components the advisory group believes should be central to the Administration’s strategy for addressing climatechange. Improving coordination and support for research efforts on climatechange preparedness.
The US and China jointly announced greenhouse gas (GHG) reduction targets. US President Barack Obama said the US will cut net greenhouse gas emissions in the US by 26-28% below 2005 levels by 2025. Together, the US and China account for more than one third of global greenhouse gas emissions.
China “could not and should not&# set an upper limit on greenhouse gas emissions at the current phase, said Su Wei, the chief negotiator of China for climatechange talks in Copenhagen, at a meeting in Beijing on China’s climatechange policies in the post-Copenhagen era.
The power sector has become less carbon-intensive as natural gas-fired generation displaced coal-fired and petroleum-fired generation and as the noncarbon sources of electricity generation—especially renewables such as wind and solar—have grown.
In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 a global warming potential of 21. (The
The global natural gas vehicle fleet has grown rapidly in the last 10 years, but still represents less than 1% of global transport fuel consumption. gas sources, such as biogas or bio-synthetic gas. gas sources, such as biogas or bio-synthetic gas. Click to enlarge.
This calculation includes all CO 2 emissions grouped under Scope 1 and 2 categories as set out by the Greenhouse Gas Protocol as well those associated with transporting material between production and refining sites. For the purposes of this analysis, emissions are classed as any anthropogenic sources of CO 2.
The solar reforming technology platform will be co-located next to industrial facilities that have waste CO 2 streams such as coal power plants, natural gas processing facilities, ethanol plants, cement production facilities and other stationary sources of CO 2. Tags: Catalysts ClimateChange Emissions Fuels Solar.
Combining these technologies could not only produce Sustainable Aviation Fuels (SAFs) and other hydrocarbon fuels with net zero carbon emissions but also mitigate climatechange by converting carbon dioxide into renewable plastics, thus permanently removing this greenhouse gas from the atmosphere.
GTI has released a site-specific engineering design titled “ Low-Carbon Renewable Natural Gas (RNG) from Wood Wastes ”. These companies are world experts in gasification, gas clean-up, and conversion technologies. A biomass power plant in Stockton, California, was the host site for the engineering design effort. Source: GTI.
Unlike exhaust from burning coal and gas that contains CO 2 , burning hydrogen emits only water vapor and oxygen. Hydrogen is not a greenhouse gas, but its chemical reactions in the atmosphere affect greenhouse gases such as methane, ozone, and stratospheric water vapor.
The US Environmental Protection Agency (EPA) has released the 17 th annual US greenhouse gas (GHG) inventory. As the largest source of US greenhouse gas emissions, CO 2 from fossil fuel combustion has accounted for. 2012 US Greenhouse Gas Inventory Report. The final report shows overall emissions in 2010 increased by 3.2%
Production of cement accounts for 5-6% of all anthropogenic CO 2 emissions, generating 9 kg of the greenhouse gas for each 10 kg of cement produced, notes Dr. Stuart Licht and his colleagues in a paper on their process accepted for publication in the RSC journal Chemical Communications. —Licht et al.
Energy-related carbon-dioxide (CO2) emissions in 2010 were the highest in history, according to the latest estimates by the International Energy Agency (IEA). In terms of fuels, 44% of the estimated CO 2 emissions in 2010 came from coal, 36% from oil, and 20% from natural gas. Fatih Birol, Chief Economist at the IEA.
And so it is that I resigned from my position as Director of Strategic Partnerships and Public Affairs for CBS EcoMedia effective the first of this month and I will now be devoting my full time to working on climatechange response with the South Bay 350 Climate Action Group, the South Bay Bicycle Coalition and 350.org.
An analysis of near-term spending plans on renewables by the biggest oil and gas companies shows that real investments in renewable energy will continue to pale in comparison to capex plans for greenfield fossil fuel projects. Indeed, much of Big Oil's reduction in greenhouse gas (GHG) emissions leans on the so-called natural gas bridge.
Natural gas is the fastest-growing fossil fuel, as global supplies of tight gas, shale gas, and coalbed methane increase. trillion kilowatthours in 2040, as concerns about energy security and greenhouse gas emissions support the development of new nuclear generating capacity. per year, according to the biennial report.
The resulting CO can be used to convert water to hydrogen via the water gas shift reaction. Tags: Catalysts ClimateChange Emissions Fuels Hydrogen. The reaction also shows a new economical way to oxidize aromatic aldehydes, and could be applied in pharmaceutical synthesis. Article ASAP doi: 10.1021/ja909038t.
The draft report of the US Environmental Protection Agency (EPA)’s annual Inventory of US Greenhouse Gas Emissions and Sinks: 1990-2008 shows that in 2008, overall greenhouse gas (GHGs) emissions decreased by 2.9% (206.1 The inventory tracks annual greenhouse gas emissions from 1990 to 2008 at the national level. Tg CO 2 Eq).
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year.
The recovery of energy demand in 2021 was compounded by adverse weather and energy market conditions—notably the spikes in natural gas prices—which led to more coal being burned despite renewable power generation registering its largest growth to date. CO 2 emissions from natural gas rebounded well above their 2019 levels to 7.5
The gap, noted the researchers in their open-access paper in Nature ClimateChange , is equivalent to Japan’s annual CO 2 emissions, the world’s fourth largest emitter, with 5% of the global total. Other fuels include, for example, coke oven gas, other gas, other coking products, LPG, refinery gas and other petroleum products.
In 2019, CO 2 emissions from petroleum fuels—nearly half of which are associated with motor gasoline consumption—fell by 0.8%, and CO 2 emissions from the use of natural gas increased by 3.3%. Nearly all of the change in CO 2 emissions in 2019 arose in the electric power sector.
For purposes of this rule, fossil fuel-fired EGUs include utility boilers, IGCC units and certain natural gas-fired stationary combustion turbine EGUs that generate electricity for sale and are larger than 25 megawatts (MW). The proposed rulemaking establishes separate standards for natural gas and coal plants.
This is an important development because there is little time available to reduce CO 2 emissions sufficiently to avoid the worst effects of climatechange.
To harvest the mixing energy from CO 2 containing gas emissions, they propose using pairs of porous electrodes, one selective for anions and the other selective to cations. This means that mixing combustion gas with air is an unexplored source of energy. One tank was flushed with air while the other was flushed with 100% pure CO 2 gas.
Petroleum emissions from other sectors have fallen in recent years as equipment and processes that use petroleum fuels have been replaced by those using other fuels, in particular, natural gas. Natural gas is the least carbon-intensive fossil fuel, and for decades natural gas made up the smallest portion of US energy-related CO 2 emissions.
Total US greenhouse gas emissions by economic sector in 2011. The US Environmental Protection Agency (EPA) released its 18 th annual report of overall US greenhouse gas (GHG) emissions showing a 1.6% The treaty sets an overall framework for intergovernmental efforts to address the challenge posed by climatechange.
The US Environmental Protection Agency (EPA) “ Inventory of US Greenhouse Gas Emissions and Sinks: 1990-2010 ” draft report shows that in 2010, overall greenhouse gas (GHGs) emissions increased by 3.3% The inventory tracks annual greenhouse gas emissions nationally from 1990 to 2010. from the previous year.
From: Geoengineering the Climate (2009) Click to enlarge. unless future efforts to reduce greenhouse gas emissions are much more successful then they have been so far—potentially dangerous and unproven geoengineering will be required to cool the Earth this century, according to the latest report from the UK’s Royal Society.
The United States has at least 2,400 billion metric tons of possible carbon dioxide storage resource in saline formations, oil and gas reservoirs, and unmineable coal seams, according to a new US Department of Energy (DOE) publication.
Even when we reach the limit of our carbon budget, when burning any more oil, coal or gas will push global temperatures beyond 2 degrees celsius, the E&B business model is to harvest more oil so that it can be burned as fuel. No maximum amount of CO2 and other greenhouse gases their product will be allowed to produce.
Aviation climatechange impacts pathway. SPK fuels have been certified for jet aircraft use in blends up to 50%, and can be created via two primary pathways: Gas-to-liquids (GTL). Credit: ACS, Stratton et al. Click to enlarge. —Stratton et al.
Lead author Kharecha and colleagues note that current climate science indicates that atmospheric CO 2 concentrations, already at 387 ppm in 2009 and rising, need to be reduced to no more than 350 ppm. Readily available reserves of oil and gas are sufficient to take atmospheric CO 2 to at least 400 ppm.
Australia-based natural gas company Santos has successfully injected approximately 100 tonnes of carbon dioxide deep underground into depleted gas reservoirs as part of the final field trial for the Moomba Carbon Capture and Storage (CCS) Project.
The decrease was driven by the economic downturn, combined with a significant switch from coal to natural gas as a source of electricity generation, according to the EIA. Natural Gas. Natural gas-based CO 2 emissions are projected to decline by 2.3% Natural gas consumption declines in 2009 for all other major sectors.
The Middle East becomes the world’s second-largest gas consumer by 2020 and third-largest oil consumer by 2030, redefining its role in global energy markets. Globally, fossil fuels continue to meet a dominant share of global energy demand, with implications for the links between energy, the environment and climatechange.
Together, we will demonstrate that crude oil from algae can be produced with favorable economics; that it can be integrated into existing fuels distribution networks; and that it will deliver substantial advantages for the reduction of CO2 emissions in both nations. —Cynthia “CJ” Warner, Sapphire CEO.
CO 2 capture from emission sources is an attractive option for mitigating climatechange, but it is an expensive process that harvests a product without commercial value. Here we describe electrolysis cells with gas diffusion electrodes (GDEs) and optimized gas delivery that convert CO into C 2+ products at high rates (?
Reducing the greenhouse gas emissions from MACs have been under investigation since the late 1990s; cars equipped with R134a (tetrafluoroethane) MAC systems produce emissions corresponding to 7 grams of CO 2 per driven kilometer. CO 2 as a MAC refrigerant. This raises issues of cost, as well of durability.
The CO peak observed by gas chromatography as a. Gas phase CO production is observed at an. for formation of the “CO2 ? The researchers used an electrochemical cell as a flow reactor, separating the gaseous CO 2 input and oxygen output from the liquid electrolyte catalyst with gas-diffusion electrodes. OC = open cell).
That means new jobs, cleaner water and air—and a working model for other states, and the nation, to use as we gear up to fight climatechange and make our economy more competitive and resilient. large amounts of greenhouse gas emissions and operate in competitive markets. —ARB Chairman Mary D. The Proposed Decision.
Emissions of two of the most important climatechange gases increased last year, according to a preliminary analysis for NOAA’s annual greenhouse gas index, which tracks data from 60 sites around the world. We need to reduce greenhouse gas emissions to the point where they match levels that can be absorbed by Earth’s ecosystems.
The statute, amended by Assembly Bill 109 (Núñez, Chapter 313, Statutes of 2008), authorizes the Energy Commission to develop and deploy alternative and renewable fuels and advanced transportation technologies to help achieve the state's climatechange policies. Natural gas-powered vehicle fueling. Natural gas will displace 1.5
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content