Sentences with phrase «fossil fuel input»

Thus, the ratio of energy output to fossil fuel input is about 1.2 to 1.0.

But for the U.S. primary energy fossil fuel input into the electric power sector in 2010, it seems to be about 0.39933 W / (kg CO2 / yr)(1.4632 W / (kg C / yr)-RRB-.

Our agriculture depends on high - yield crop variants supported by large inputs of energy, water and fertiliser, the latter in particular requiring high levels of fossil fuel input.

I'm only saying this to note I know the anthropogenic aerosols from this period can't be directly compared to the emission rate per fossil fuel input as later in the 20th century.

Analysis of the total energy input to produce ethanol from corn show that 29 % more fossil fuel input energy is require to produce one energy unit of ethanol.

The only solution is to stop using fossil fuels and to replace them with wind, solar and sustainable (meaning minimal - fossil fuel input) biofuel technology, which is both economically and technologically feasible.

No chemical / fossil fuel inputs to grow the food for soy or feed the cows for dairy, no packaging, no transport to / from the store, no bottles to manufacture or wash (when not pumping), really no waste at all!

This time, the dominant carbon isotopic values in the new inputs were about -60 ‰, pointing to a microbially driven source rather than fossil fuel inputs.

Currently all alternative energy system construction is subsidized by fossil fuel inputs.

The conclusion is that the solution there is not to feel guilty about drinking a soda, but rather to push for a large - scale solution that will make our agricultural and industrial systems free of the need for fossil fuel inputs.

There is, in fact, a whole pyramid of fossil fuel inputs to the production of all alternative energy capital equipment.

The fossil fuel inputs into ethanol production are also largely non-liquid (natural gas and coal).

A minimal first step would be to ensure that all fossil fuel inputs to biofuels are carbon - taxed, including natural gas used as feedstock for ammonia - based fertilizers of corn grown for ethanol.

Biofuel production typically involves substantial fossil fuel inputs.

We start with a minimal approach that would tax all fossil fuel inputs of bioenergy including those used to manufacture fertilizer for corn grown for ethanol.

Note, however, that the substantial fossil fuel inputs to biofuels would be taxed under this option, causing prices of fossil fuel - intensive biofuels to rise in proportion to a carbon tax.

Governments not markets, particularly monetarily sovereign national governments, are the central institution to transform the energy and systems and social practices that require fossil fuel inputs.

Ways to reduce fossil fuel inputs to food systems include the use of farm machinery powered by renewable electricity or farm - produced biofuels; the localization of food systems to reduce transport (perhaps entailing vertical urban agriculture); the adoption of organic and ecological production practices to reduce the need for nitrogen fertilizer, pesticides, and herbicides; and an overall reduction in the consumption of highly processed foods.

They forgot to take into account the fossil fuel inputs into growing the crop.

The American food system rests on an unstable foundation of massive fossil fuel inputs.

I already grow some of my own food in my backyard organic garden, and buy the rest from local organic farmers (both local production and organic methods reduce the fossil fuel inputs and CO2 emissions associated with food production).

After all, as DaveMart says in pushing his pet nuclear, in principle everything could be electrified so that the only fossil fuel inputs are for the hydrogen - but if that's (say) 80 % of the total, and all the trucks and water boiling is the other 20 %, that's a very different outlook than the reverse, for a fossil - fuel - constrained, or CO2 emissions - constrained future.

In the context of Peak Oil, it is not the fossil fuel inputs that matter, but rather the petroleum inputs; the PIR or petroleum input ratio of the LTF alternative we should choose to make.

Switchgrass production requires fossil fuel inputs for machinery used in establishment (soil preparation and seed sowing), cultivation, harvest, and transportation to the processing plant (Qin et al. 2006).

I'd like to have seen a table giving the various energy and fossil fuel inputs for the calculation, if only to see what the biggest inputs are.

In addition to concerns about feedstock limitations, corn ethanol derives much of its energy from fossil fuel inputs.»

Other studies show a small net gain - typically about 20 % of the fossil fuel inputs.

This belief is based on the observation that if a corn plant grew, and then was burned, without any fossil fuel inputs or fertilizer, there would be no net gain in global warming gasses.

Not exact matches

Current intensive farming practices rely on huge inputs of fossil fuels, land and water.

Commercial realization of this potential will require advances in strategies to reduce non-renewable inputs, such as inorganic fertilizers and fossil fuels, and monetary costs of large - scale production of marine microalgae, she says.

Thus fossil fuel carbon is the crucial human input that must be limited.

A constant fossil fuel production rate requires increasing energy input, but also use of more land, water, and diluents, with the production of more waste [142].

Sheet to guide research into different types of fossil fuels or as a follow on from teaching input.

What I am after is an approximate net energy figure available for renewables as a result of solar input and a comparator to fossil fuel consumption.

with fewer costs for external inputs, this will be a massive profit center for them, in addition to their continued, unregulated, sales of fossil fuels.

And that's just to make the paper; don't forget about the energy inputs — chemical, electrical, and fossil fuel - based — used to transport the raw material, turn the paper into a bag and then transport the finished paper bag all over the world.

Reliance on such fossil - fuel inputs not only sustains oil dependency but also represents a major water pollution problem when they run off into rivers.

In addition to the work in the World Energy Outlook, the IEA has provided input to the G - 20 and APEC since 2009, when G20 leaders took a major step toward reforming energy subsidies and committed to «rationalize and phase out over the medium term inefficient fossil fuel subsidies that encourage wasteful consumption», the IEA has provided input to the G - 20 and APEC in support of their commitments.

The IEA estimates subsidies to fossil fuels that are consumed directly by end - users or consumed as inputs to electricity generation.

The competing theories are (there was / is no theory competition) are: 1) The «late veneer theory» (the late veneer theory is connected with the fossil fuel theory, where a tiny amount of CO2 is recycled in the upper mantle) vs / or 2) The deep core CH4 theory (See the late Nobel prize winnings, Astrophysics» Thomas Gold's book «Deep Hot Biosphere: The Myth of Fossil Fuels», where there is a large continuous input of CH4 and CO2 into the biosphere from CH4 that is extrude from the core of the earth as it solidifies, which explains Humlum et al's CO2 phase analysis result paradox and roughly 50 different geological paradoxes / anomalies) as to the origin of the earth's atmosphere, oceans, and «natural» gas / crudfossil fuel theory, where a tiny amount of CO2 is recycled in the upper mantle) vs / or 2) The deep core CH4 theory (See the late Nobel prize winnings, Astrophysics» Thomas Gold's book «Deep Hot Biosphere: The Myth of Fossil Fuels», where there is a large continuous input of CH4 and CO2 into the biosphere from CH4 that is extrude from the core of the earth as it solidifies, which explains Humlum et al's CO2 phase analysis result paradox and roughly 50 different geological paradoxes / anomalies) as to the origin of the earth's atmosphere, oceans, and «natural» gas / crudFossil Fuels», where there is a large continuous input of CH4 and CO2 into the biosphere from CH4 that is extrude from the core of the earth as it solidifies, which explains Humlum et al's CO2 phase analysis result paradox and roughly 50 different geological paradoxes / anomalies) as to the origin of the earth's atmosphere, oceans, and «natural» gas / crude oil.

The default inputs for population growth rate, GDP per capita growth rate, emissions intensity per capita, fossil fuel reserves, etc. are variables in the model and people who are competent at driving these models can change them.

Farms are often very large, highly specialized, and run like factories with large inputs of fossil fuels, pesticides and other chemicals, and synthetic fertilizers derived from oil.

They will demand the relevant input data needed from scientists and other disciplines: e.g. ECS, projected emissions rates, total available fossil fuels, damage function, participation rate, discount rate.

He sued to block the smog standards during his previous job as Oklahoma attorney general, enlisting Walker and other Republican governors to join a lawsuit drafted with substantial input from fossil fuel interests.

IIASA Working Paper WP -81-107: 29, 1981 Estimating the future input of fossil fuel CO2 into the atmosphere by simulation gaming, climate, decarbonization, hydrogen, carbon dioxide, co2

Estimating the future input of fossil fuel CO2 into the atmosphere by simulation gaming, climate, decarbonization, hydrogen, carbon dioxide, co2

Estimating the future input of fossil fuel CO2 into the atmosphere by simulation gaming (PDF)[external link].

The next step is government control / taxation of the ~ 70 % of the energy supply that is fossil fuel (source: Input / Output tables of the United States).

The application here is: If «A» is an impulse of concentration of C - 14 and «B» is an inpulse of C - 12 (meaning CO2 containing these isotopes), then the IRF you measure by input «A» is exactly the same IRF that you would get with input «B» (by burning fossil fuel, for instance).

However, I would like them to think more critically about the fossil - fuel inputs that they use in their models.