Sentences with phrase «fuelled by methane»

A cryptic sunken underworld in Mexico's Yucatan Peninsula is home to a previously unknown ecosystem being fuelled by methane, scientists have announced.

Not exact matches

However, the Pan Canadian Framework on Clean Growth and Climate Change lays out a number of policies that will compel more clean tech innovation in Canada, he said, including a price on pollution with a carbon price, to be in place across Canada by the start of next year, as well as a promised national clean fuels strategy, better energy efficiency standards and limits on greenhouse gases like methane.

While protein products developed by these companies are not currently fit for human consumption, methane - based proteins could improve the environmental impact of meat production, and eventually further fuel the meatless revolution by creating another food source for developing economies in Africa and Asia.

The anaerobic wastewater biogas technologies — which extract methane to generate green electricity or to fuel boilers and other factory equipment — are particularly applicable to food, beverage and agribusiness companies, or any industry that has a biological waste stream or wastewater with high organic carbon or COD (chemical oxygen demand) of natural origin that can be broken down into biogas by anaerobic bacteria.

This is done not only by supplying renewable energy from the closed anaerobic reactor, thus reducing or even eliminating reliance on fossil fuels, but also by replacing traditional, open, methane - producing lagoons, and by replacing power - consuming, sludge - producing aerobic WWTPs.

«The quantities of methane produced by anaerobic digestion can diminish or even completely replace the use of fossil fuels in the production process,» says Mike Bambridge.

An environmentally - friendly alternative to diesel - fueled trucks, the feed truck's motor is charged from electrical power generated from methane gas produced by the cows» own manure.

Straus and a local mechanic spent eight years developing an environmentally - friendly alternative to diesel - fueled trucks: The feed truck's motor is charged from electrical power generated from methane gas produced by the cows» own manure.

The process also produces methane as a by - product, which Kuenen proposes to harvest and use as fuel.

Walter sees the benefits of using methane as an energy source as twofold: «Not only does it prevent a potent greenhouse gas from entering the atmosphere by converting it to weaker greenhouse gases — water vapor and carbon dioxide — but using it on - site would also reduce the demand for other fossil - fuel sources.»

Fossil Blends The Air Force, meanwhile, plans to certify its entire fleet of aircraft on Fischer - Tropsch process synthetic fuels derived from methane or coal by 2011 and plans to purchase enough such fuel to power at least 50 percent of the fleet in the continental U.S. by 2016.

Aggressive measures to curtail the use of fossil fuels and emissions of so - called short - lived climate pollutants such as soot, methane and HFCs would need to be accompanied by active efforts to extract CO2 from the air and sequester it before it can be emitted.

By employing devices such as biogas storage domes, biofilters or combined heat and power co-generation systems, for instance, methane can be collected, cleaned and converted into heat or electricity that can then be substituted for most fossil fuels.

During the early 2000s, environmental scientists studying methane emissions noticed something unexpected: the global concentrations of atmospheric methane (CH4)-- which had increased for decades, driven by methane emissions from fossil fuels and agriculture — inexplicably leveled off.

So when those lumps of fuel are pulled from deep below the surface in northern China or exposed by a blast of dynamite on an Appalachian mountaintop, invisible plumes of methane gas seep out, as well.

Chemists have long sought an efficient, light - driven catalyst to power this reaction, which could help reduce the growing levels of carbon dioxide in our atmosphere by converting it into methane, a key building block for many types of fuels.

Food production accounts for a third of all greenhouse gas emissions when one tallies those from fossil fuels used in growing, preparing and transporting food; the carbon dioxide released by clearing land for farming and pastures; the methane from rice paddies and ruminant livestock; and the nitrous oxide from fertilizer use.

But chemical companies have also long had the technology to convert the primary hydrocarbons in natural gas — methane, ethane, and propane — into alcohols, the liquid starting materials for plastics, fuels, and other commodities made by the train load.

Global energy - related emissions could peak by 2020 if energy efficiency is improved; the construction of inefficient coal plants is banned; investment in renewables is increased to $ 400 billion in 2030 from $ 270 billion in 2014; methane emissions are cut in oil and gas production and fossil fuel subsidies are phased out by 2030.

This is now possible thanks to the recently published major carbon producers analysis by Richard Heede of the Climate Mitigation Service, Tracing anthropogenic carbon dioxide and methane emissions to fossil fuel and cement producers, 1854 - 2010.

In April, researchers, led by New Zealand's National Institute of Water and Atmospheric Research, published a paper in Science, ruling out fossil fuels as the primary driver of worldwide methane over the past decade.

One is by injecting and selling methane into gas pipelines; another is turning compressed methane into a low - carbon vehicle fuel.

Yet governments and industry are rushing into expanded use of fossil fuels, including unconventional fossil fuels such as tar sands, tar shale, shale gas extracted by hydrofracking, and methane hydrates.

However, the stark reality is that global emissions have accelerated (Fig. 1) and new efforts are underway to massively expand fossil fuel extraction [7]--[9] by drilling to increasing ocean depths and into the Arctic, squeezing oil from tar sands and tar shale, hydro - fracking to expand extraction of natural gas, developing exploitation of methane hydrates, and mining of coal via mountaintop removal and mechanized long - wall mining.

The main hardware in the existing research infrastructure at IFE Hynor is found in a process room for testing and development of high temperature hydrogen production and solid oxide fuel cell technology (SOFC), including a Dual Bubbling Fluidized Bed reactor prototype (DBFB) for continuous hydrogen production by sorption - enhanced reforming (SER) of methane with an integrated process for CO2 - capture.

There's a fantastic paper by the authors of the Beyond Zero Emissions Land Use Report explaining how there's an opportunity to reduce land sector emissions (especially methane) to temporarily halt global warming buying us time to get off fossils fuels if we reduced livestock production by say 50 % even.

It is a Whole Earth Catalogue of green systems, with a rainwater collection system; hydroponic garden to grown food for the community; biological wastewater treatment system to convert black water to greywater and potable water; earth tubes to funnel clean, natural air into the building through underground ducts; vertical axis wind turbines and solar panels for on - site green energy; and hydrogen fuel cells powered by methane, a byproduct of the wastewater treatment system.

The data presented by Miller et al. constrains the overall leak rate from the oil and gas supply chains — providing an independently derived aggregate estimate of fossil fuel sources of methane emissions.

Original post In 2011, a Cornell research team led by the environmental scientist Robert Howarth published «Methane and the greenhouse - gas footprint of natural gas from shale formations,» a widely discussed paper positing that gas escaping from drilling operations using hydraulic fracturing, widely known as fracking, made natural gas a bigger climate threat than the most infamous fossil fuel, coal.

In conclusion, despite recent explosions suggesting the contrary, I still feel that the future of Earth's climate in this century and beyond will be determined mostly by the fossil fuel industry, and not by Arctic methane.

``... the future of Earth's climate in this century and beyond will be determined mostly by the fossil fuel industry, and not by Arctic methane.»

According to the company website, Albert Straus is actively working toward weaning the entire 500 - acre farm off of fossil fuels, and the timing is right to make some mooo - ves (sorry) to mitigate on - farm greenhouse gases, because of California's mandate of reducing methane emissions to «40 % below 2013 levels by 2030.»

However, the U.S. has pledged to reduce emissions by 26 - 28 % from 2005 levels by 2025 in its internationally determined contribution (INDC) to the UN process, meaning that the US must make more than an additional 16 % reduction from fuel efficiency standards, energy efficiency programs, non-CO2 greenhouse gas (e.g. methane, hydrofluorocarbons) reductions, and other components of Obama's climate action plan in order to meet its INDC.

Recent studies including an assessment by the United Nations Environment Program and the World Meteorological Organization indicate that it's possible to slow the pace of warming and melting in the Arctic in the near term by reducing emissions of two common climate pollutants: black carbon and methane, both of which are emitted from the extraction and burning of fossil fuels.

«A 21st - Century Shift from Fossil - Fuel to Biogenic Methane Emissions Indicated by 13CH4.»

About 40 percent of methane is emitted into the atmosphere by natural sources like wetlands and termites, with the rest coming from human activities like cattle breeding, rice growing, fossil fuel exploitation, landfills and biomass burning.

Nearly two - thirds of all industrial carbon dioxide and methane released into the atmosphere since 1854 can be traced to fossil fuel and cement production by just 90 entities

Methane released from animals and their wastes can be reduced by altered diets and methane capture systems, and nitrous oxide production can be reduced by judicious fertilizer use27 and improved waste handling.24 In addition, if biofuel crops are grown sustainably, 28 they offer emissions reduction opportunities by substituting for fossil fuel - based enerMethane released from animals and their wastes can be reduced by altered diets and methane capture systems, and nitrous oxide production can be reduced by judicious fertilizer use27 and improved waste handling.24 In addition, if biofuel crops are grown sustainably, 28 they offer emissions reduction opportunities by substituting for fossil fuel - based enermethane capture systems, and nitrous oxide production can be reduced by judicious fertilizer use27 and improved waste handling.24 In addition, if biofuel crops are grown sustainably, 28 they offer emissions reduction opportunities by substituting for fossil fuel - based energy (Ch.

Methane produced by these microbial communities tends to have a lighter isotopic signature than that produced by other means, such as fossil fuel burning.

During a 10 - year investigation detailed in the latest issue of the Journal of Geophysical Research, Stanford University scientist Mark Jacobson isolated the widespread warming effects from all sources of soot â $» the visible residue of burned wood, crops, oil, biomass and other fuels â $» from the climate impacts caused by greenhouse gases such as carbon dioxide and methane.

Estimates for the global size of the CO2 utilization market by 2030 in carbonate aggregates, fuels (methane and liquid fuels), concrete, methanol, and polymers are as large as $ 700 billion, utilizing 7 billion metric tons of CO2 per year, which is equivalent to approximately 15 percent of current global CO2 emissions.

Thawing permafrost also delivers organic - rich soils to lake bottoms, where decomposition in the absence of oxygen releases additional methane.116 Extensive wildfires also release carbon that contributes to climate warming.107, 117,118 The capacity of the Yukon River Basin in Alaska and adjacent Canada to store carbon has been substantially weakened since the 1960s by the combination of warming and thawing of permafrost and by increased wildfire.119 Expansion of tall shrubs and trees into tundra makes the surface darker and rougher, increasing absorption of the sun's energy and further contributing to warming.120 This warming is likely stronger than the potential cooling effects of increased carbon dioxide uptake associated with tree and shrub expansion.121 The shorter snow - covered seasons in Alaska further increase energy absorption by the land surface, an effect only slightly offset by the reduced energy absorption of highly reflective post-fire snow - covered landscapes.121 This spectrum of changes in Alaskan and other high - latitude terrestrial ecosystems jeopardizes efforts by society to use ecosystem carbon management to offset fossil fuel emissions.94, 95,96

In conclusion, we have identified strong ethical arguments that support the need to ramp up non-fossil fuel combustion in the United States and other developed countries while implicitly acknowledging that there could be some short - term benefit if coal combustion is replaced by natural gas, a conclusion that only can be reached with better understanding of the methane leakage issues.

Because the world faces a fossil fuel glut in the future — the torrents of new shale oil and gas that increasingly flood world markets could themselves be swamped by next - generation methane hydrate fuels — Canada's energy resources could depreciate if left to stagnate in the ground.

Added methane reduces heat radiation to space, amplifying the warming effect of carbon dioxide produced by burning fossil fuels.

The best way to do this, in my opinion, is using a fuel cell — a device that can electrochemically convert natural gas into a useable fuel by stripping off the hydrogen portion of the methane molecule and combining it with oxygen to generate clean electricity and some waste heat.

(1) No False Choices: To Preserve a Livable Climate, We Need to Slash Both CO2 and Methane ASAP; (2) Oil Change International Report: Fossil Fuel Production Subsidies Exceed $ 21 Billion Annually in United States, have increased by 45 % under Obama's «All of the Above» energy policy; (3) Joint Economic Committee Hearing on «The Economic Impact of Increased Natural Gas Production» (video); (4) Leaked Trade Deal Document Shows EU Pressuring U.S. to Lift Crude Oil Export Ban; (5) Deep Decarbonization Pathways Project (DDPP) Presents Interim Report to UN Secretary - General Ban Ki - Moon.

It's said by suspected fossil fuel lobbyists and the idiots Trump has appointed to oversee environmental agencies that «scientists don't agree» over global warming, actually the problem is that the results don't agree, inasmuch as the graphs tend to be polynomial — also it's quite difficult to measure methane concentrations, it appears, as they vary considerably according to altitude.

Global warming, the gradual heating of Earth's surface, oceans and atmosphere, is caused by human activity, primarily the burning of fossil fuels that pump carbon dioxide (CO2), methane and other greenhouse gases into the atmosphere.

Satellite data on methane emissions by publicly - traded fossil - fuel producers and utilities is one promising example.