Sentences with phrase «by replacing fossil fuels»

The notion that we can achieve this by replacing fossil fuels with ambient energy is a fantasy.

«Biofools,» The Economist, 11 April 2009; P. J. Crutzen et al., «N2O Release from Agro-biofuel Production Negates Global Warming Reduction by Replacing Fossil Fuels,» Atmospheric Chemistry and Physics, vol.

«Absent some new technological innovation, large - scale CDR techniques have costs comparable to or exceeding those of avoiding carbon dioxide emissions by replacing fossil fuels with low - carbon energy sources.»

Therefore it has become urgent and compelling to develop policies so that in the coming years the emission of carbon dioxide and other highly polluting gases is reduced drastically, for instance by replacing fossil fuels and by developing renewable energy sources.

Growing crops for fuel — known as biofuels — represents another potential way of cutting GHGs by replacing fossil fuels (biofuels created underground by nature over millions of years).

Savings quickly repay the cost of anaerobic plant — typically within two years — while achieving permanent environmental benefits by replacing fossil fuel, says the Chairman and CEO of GWE, Mr Jean Pierre Ombregt.

In the emerging energy economy — an economy built on domestic wind, solar, and geothermal energy sources — the greening of the grid by replacing fossil fuel — based electrical generation will also be a greening of the transport system.

The authors come up with the striking figure of 1.8 million as the number of lives saved by replacing fossil fuel sources with nuclear.

Not exact matches

Natural gas turbines replaced solar power capacity during the August 21st solar eclipse, highlighting the carbon - light fossil fuel's emerging role as a gateway «green» energy in the coming decades, according to a report by Fortune released before the sun took its proverbial nap.

By employing fossil fuels to replace human labor, on the one hand, and by having each person perform limited repetitive operations, on the other, total production could be greatly increaseBy employing fossil fuels to replace human labor, on the one hand, and by having each person perform limited repetitive operations, on the other, total production could be greatly increaseby having each person perform limited repetitive operations, on the other, total production could be greatly increased.

Now that energy is becoming the factor that is scarce and labor is plentiful, it would make more sense to replace fossil fuels by labor, especially at those points where that could also restore interest and dignity to work.

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.

However, at least two of the state's nuclear reactors are in danger of closing within the next few years and would significantly increase air pollution because they would be replaced by fossil - fuel burning power plants in the near future.

They said if the plants close, the nuclear energy would be replaced by fossil fuels.

The fiber and fuel derived from hemp would be carbon neutral and as such wouldn't contribute to global warming — and in fact could help mitigate rising temperatures by replacing chemical - intensive crops like cotton and imported fossil fuels like oil and gas.

From the start, the ethanol industry has been dogged by concerns about its net energy balance — whether ethanol requires more fossil fuel to make than it replaces.

There is always going to be some local need for fossil - based fuels, you know, in industrial processing or some things you just can't do with electricity, but by and large, right, if you wanted to try to replace those sorts of applications with biofuels and things like that, then you could be off oil altogether.

According to Lester Brown, author of the 2003 book, Plan B (and three subsequent updates) and founder of the non-profit environmental think tank, Earth Policy Institute, the plan is based on replacing the fossil - fuel - based, automobile - centered, throwaway economy with a new economic model powered by abundant sources of renewable energy.

Undertaken by University of Adelaide in collaboration with CSIRO, the research could make viable a process that has enormous potential to replace fossil fuels and continue to use existing carbon - based fuel technologies without increasing atmospheric CO2.

«Hydrogen (H2) produced from water splitting by an electrochemical process, called water electrolysis, has been considered to be a clean and sustainable energy resource to replace fossil fuels and meet the rising global energy demand, since water is both the sole starting material and byproduct when clean energy is produced by converting H2 back to water,» the researchers wrote.

That's the idea originated in the 1970s and promoted by former President George W. Bush that we replace fossil fuels with hydrogen, which can serve as a clean fuel.

Wind turbines are showing some very real promise in terms of percentage replacement of coal electricity needs, however it will take very large scale events to replace fossil fuel by a economically viable margin, ie 50 %.

Ignoring terrestrial carbon led to a nearly complete loss of unmanaged forests by 2100, largely because they were replaced by massive expansions of bioenergy crops that were planted to reduce the use of fossil fuels.

The opportunity to decarbonize was derailed by the antinukes who made sure the best tool we had, before renewables were any possibility, which could have been used to replace almost all fossil fuel usage in the 60s 70s and 80s when the Keeling curve was still in the low 300s, was kept from being used.

Humanity must become aware of the urgent need to replace fossil fuels with renewable energy sources to avoid the catastrophic scenario of using coal as an energy source as well as to replace the current model of development for sustainable development, which, by reverse logistics, with the reuse, recovery and recycling of materials, thus reaching the so - called closed production cycle, could delay the exhaustion of natural resources of the planet Earth.

Implement the Precautionary principal and replace fossil fuel Power Plants achieving the minimum 40 % global emissions reduction requested by the IPCC.

Dennis Baker: Implement the Precautionary principal and replace fossil fuel Power Plants achieving the minimum 40 % global emissions reduction requested by the IPCC.

1) Reduce fossil fuel use by replacing energy needs with as many feasible renewables as current technology allows.

The idea that you could ever replace the rate of utilization of energy from fossil fuels, which has been estimated as consuming 400 years worth of photosynthesis per year, with a fraction of the annual photosynthetic harvest that does not impinge on food production is part of today's magical thinking, along with reducing deficits by cutting taxes while continuing to increase spending.

The electricity generated is fed to the national grid, and replaces electricity which would otherwise be generated by fossil fuel fed power plants, resulting in further emission reductions.

The letter notes that PG&E's proposal — endorsed by anti-nuclear groups NRDC and Sierra Club, which are invested in renewable energy and fossil fuel companies that could benefit from Diablo Canyon's closure — would not replace Diablo Canyon with power from clean energy sources.

The IPCC's claim as to the world's ability to replace most of the fossil fuel energy with renewable sources by the mid-century is nothing but a hollow statement based on wishful thinking.

[1] «Indirect land use change» (ILUC) means that many biofuels harm the climate even more than the fossil fuels they replace — due to land use changes caused by the expansion of agriculture to meet the additional demand for crop - based biofuels.

The hybrid system implemented, which includes a 4 - MW battery system combined with 4.5 MW of wind energy and 1 MW of PV solar power, has enabled up to 100 % renewable power penetration and dramatically decreased the levelized cost of energy for the island by replacing around two - thirds of fossil fuel - based generation with cheap renewable energy.

The report calls for ageing fossil fuel and nuclear power plants to be replaced by renewable generation when they reach the end of their operational lives.

Replacing old slowly growing forest by young rapidly growing one is useful only if the old trees are either stored so that they will not release their carbon back to atmosphere or used to replace fossil fuels or materials, whose manufacturing causes CO2 emissions.

The United States faces a vexing challenge in switching from conventional to clean sources to generate electricity: How do we replace fossil fuel when natural gas costs $ 4 per million BTU and demand for electricity is expected to increase by over 20 % by 2035?

Question 4: what would be the atmospheric CO2 consequences of an Apollo - like project to replace 25 % of America's fossil fuel powered electric generating capacity by PV power in 10 years?

Since, the solar power is Green House Gas (GHG) emissions free, the power generated will replace anthropogenic emissions of greenhouse gases estimated to be approximately 93,022 tonnes of CO2e per year, thereon displacing 95,145 MWh / year amount of electricity from the generation - mix of power plants connected to the INDIAN GRID, which is mainly dominated by fossil fuel based power plant.

With nuclear cheaper than fossil fuels it could replace 50 % of CO2 emissions from fossil fuels by around mid 21st Century.

Nevertheless, a carbon tax shouldn't compound these perverse incentives by further incentivizing biofuels and biomass to replace fossil fuels.

Backing out fossil fuels begins with the electricity sector, where the development of 5,153 gigawatts of new renewable generating capacity by 2020, over half of it from wind, would be more than enough to replace all the coal and oil and 70 percent of the natural gas now used to generate electricity.

Even with the Guardian's welcome campaign, the world still needs a transparent price on carbon pollution to strangle demand for fossil fuels by replacing them with non-carbon alternatives.

Together, replacing fossil fuels in electricity generation with renewable sources of energy, switching to plug - in hybrid cars, going to all - electric railways, banning deforestation, and sequestering carbon by planting trees and improving soil management will drop carbon dioxide emissions in 2020 more than 80 percent below today's levels.

Replacing fossil fuels with renewable sources of energy for generating electricity and heat will reduce carbon emissions in 2020 by more than 3.1 billion tons.

By replacing animal and human muscle and low - density energy sources like wood, dung, and other biofuels, and low - density, intermittent wind and solar, fossil and nuclear fuels have freed people from the basic tasks of survival to devote time and bodily energy to other occupations.

In our lifetime, we could see use of fossil fuels significantly reduced by replacing them with renewables.

During the Industrial Revolution, the burning of wood and other traditional materials for fuel was replaced by the burning of coal and later oil and natural gas — so - called fossil fuels.

In a climate discourse dominated by targets and carbon caps, Gates has provided a refreshing and clear - eyed look at the first - order importance of direct public investment to develop clean, affordable technologies to replace fossil fuels on a global scale.