Not exact matches
The current rate of
burning fossil
fuels adds about 2 ppm per year to the atmosphere, so that getting from the current level to 1000 ppm would take about 300 years — and 1000 ppm is still less than what most plants would prefer, and
much less than either the nasa or the Navy limit for human beings.
Americans will believe he could have been voted in again after all he did catch the boogieman who magically melted 3 steel structure buildings with jet
fuel (which
burns much cooler than the melting point of a steel Ibeam) and penetrated one of the worlds most secured biuldings without getting caught on cam.
If the force of gravity were adjusted upward just slightly the stars would consume their hydrogen
fuel much more rapidly than they do now and the sun would
burn itself out faster.
But not
much will get done, because they won't be able to decide which
fuel to use, where to hold the
burnings, what part of the bible answers these questions, etc etc
It will follow the evolution of similar stars, eventually running out of hydrogen
fuel, at which point it will shift to
burning helium at a
much higher temperature, and will eventually, 5 billion years from now, gradually become a red giant with a diameter greater than the Earth's present orbit.
It raises fat -
burning, brain -
fueling molecules in your body called ketones
much more than coconut oil or another broad category of fat generically called medium chain triglycerides (MCTs).
Much of this energy still comes from the
burning of fossil
fuels like oil, coal and natural gas, which release carbon dioxide (CO2) into the atmosphere and contribute to extreme weather patterns that imperil everyone on earth — especially our food producers.
Note: Athletes generally don't
burn much protein for
fuel during exercise unless their glycogen (carb) stores are depleted.
We think we can do a
much cleaner alternative, and if the governor is serious about moving away from
burning fossil
fuels that he should be using the Empire State Plaza as a model.»
And the gear is lighter and can be towed slower, so the boats
burn half as
much fuel and impact less area.
This tells you how
much fuel you will
burn and how powerful the bike will be.
Fire suppression throughout
much of the 20th century allowed
fuel to accumulate, leading to a sharp uptick in severe, extensive
burns in the 1980s and 1990s.
Much of the carbon dioxide given off from the
burning of fossil
fuels goes into the ocean, where it changes the acid balance of seawater.
Cleaner -
burning fossil
fuels like kerosene would reduce deaths and greenhouse - gas emissions, but they cost too
much for most Africans.
In urban areas, emissions from consumer goods such as paint, cleaning supplies and personal care products now contribute as
much to ozone and fine particulate matter in the atmosphere as do emissions from
burning gasoline or diesel
fuel.
Whilst methane -
burning is cleaner that other fossil
fuels, any methane not
burnt and released in the emissions from the engine has a
much greater warming effect than oil - based
fuel.
Volcanic SCPs are different —
much lighter in color and easy to distinguish from the dark black spheres formed by high - temperature fossil -
fuel burning in coal - fired power plants and vehicles.
Natural gas, which now supplies 25 percent of the nation's electricity, is the cleanest -
burning fossil
fuel, producing about half as
much carbon per watt of power as coal.
This relates to the whole area of development for people talking about biofuels, which is this idea of trying to develop replacements for the conventional sorts of fossil
fuels that we have to at least — if we are going to be
burning some sort of hydrocarbons of some kind — to try to get them [so] that they are being derived from a different source, and potentially or ideally, ones that would actually
burn without delivering as
much carbon dioxide into the atmosphere too; that's great if you can get that.
Efforts such as GreenGen bode well for resolving those complaints, but China is also moving ahead with efforts to turn coal into liquid
fuel — a costly transformation that emits twice as
much CO2 as does simply
burning the black rock and consumes yet more energy.
Rock to Liquid Jet aircraft today typically
burn kerosene, an energy - dense hydrocarbon
fuel that delivers as
much as 48 megajoules per kilogram (20,700 British thermal units per pound), allowing for long - distance travel.
Reforming should be somewhat cleaner than
burning the
fuel directly, but it is also
much more complicated and expensive.
Although the available
fuel is dry, there isn't
much of it left to
burn after 2000.
Using solid
fuel results in a
much shorter
burn time (and therefore a narrower intercept window).
Hennessy claims that these can produce «at least a 50 percent reduction in the
burning of diesel
fuel, plus the diesels will need less maintenance and last
much longer.
The difference between engineering microbes to produce drugs versus
fuel is that, ounce for ounce, drugs are
much more valuable: a
fuel end product has to be cheap enough to
burn.
But adding a little extra energy in the form of electricity might save as
much as 10 per cent of the
fuel that tractors have to
burn to overcome soil friction, according to an American research team.
Much like a car engine has multiple cylinders, GE's H - class turbines possess a ring of 12 or 16 combustors, each capable of
burning nearly three tons of
fuel and air per minute at firing temperatures exceeding 1,500 degrees Celsius.
Natural gas is by far the cleanest -
burning fossil
fuel, producing about half as
much carbon dioxide as the energy - equivalent amount of coal.
They can not tell us how
much money will be invested in green energy R&D, whether fertility rates will go up or down, whether we will dig up all the remaining fossil
fuels and
burn them, or the outcomes of numerous other decisions that affect the atmosphere — though they can tell us what will probably happen if we do or don't take them (see «Earth, 2100 AD: Four futures of environment and society «-RRB-.
They eventually linked the mysterious pollution to a nearby natural - gas field, and their investigation has now produced the first hard evidence that the cleanest -
burning fossil
fuel might not be
much better than coal when it comes to climate change.
Our mechanized, urbanized, industrial society has
burned so
much fossil
fuel that we have overburdened the atmosphere with carbon dioxide, pushing the earth's elements out of balance.
Leaving politics aside, for the people around the world who inhabit as
much as 71 % of the world's coastlines and are surrounded by oceans, this is not just a statement on a piece of paper, but a commitment of world leaders to take the wellbeing of our further generations to heart, to tackle the
burning of fossil
fuels and global warming collectively.
Because of the climate record is still short, more work needs to be done to determine how
much of the warming results from natural climate swings and how
much from the warming effects of carbon dioxide released by the
burning of fossil
fuels, Dr. Steig said.
Mass is important because it determines the rate at which a star
burns its nuclear
fuel: bigger stars
burn up faster, producing
much higher temperatures.
It has sometimes been argued that the earth's biosphere (in large part, the terrestrial biosphere) may have the capacity to sequestor
much of the increased carbon dioxide (CO2) in the atmosphere associated with human fossil
fuel burning.
Since the heart
burns so
much fuel to keep beating, and consumes fats and carbohydrates along with other available
fuels, any changes in its metabolic efficiency could impact metabolism throughout the body.
Very large, massive stars
burn their
fuel much faster than smaller stars and may only last a few hundred thousand years.
The aim in general was to work out how
much of the carbon dioxide resulting from the
burning of fossil
fuels was ending up in the oceans, vegetation, soils, weathered minerals and so on.
But there can be too
much of a good thing: In the last 200 years, humans have added a lot of extra carbon dioxide to the atmosphere by
burning fossil
fuels like coal, oil and gas to produce energy.
Smaller stars, however, will last for several billion years, because they
burn their
fuel much more slowly.
Chronic water stress could potentially reduce the carbon sink of deciduous forests in the U.S. by as
much as 17 percent in coming decades, leading to a decrease in carbon capture that translates to an additional one to three days of global carbon emissions from fossil
fuel burning each year, according to the paper, «Chronic water stress reduces tree growth and the carbon sink of deciduous hardwood forests.»
«Someone who has higher muscle mass is going to
burn food faster and use their
fuel much more efficiently than someone who is carrying a lot of fat,» McGrice says.
That gives you a
much more efficient
fuel burn, without feeling like you overdid it,» says Costello.
● Good fats play a number of roles in our health but an important one is slowing blood sugar spikes to help us better regulate energy and mood ● Fat is a longer
burning source of
fuel for the body so you don't need to think about food as
much when healthy fats are the primary source of
fuel.
In that sense, you may turn your aerobic system lazy, and make your speed and endurance a function of how
much you can
fuel, rather than a function of how
much fat you can
burn.
Glucose is a «dirty»
fuel, while fat
burns much cleaner.
Fat adaptation involves sharp carbohydrate restriction in conjunction with a complementing increase in fat consumption (with many of those fats being saturated fats) to induce the physiological shift necessary for the body to «switch» to
burning «fat as
fuel» at
much higher rates.
It's a longer lasting slower
burning fuel,
much like protein, that gives the body more energy in the long run.
If you are already following a ketogenic diet, you might not recognize
much change during this phase, which is intended to flip the metabolic switch towards
burning fat as the primary
fuel source.