Sentences with phrase «heat than carbon»

Methane, the main component of natural gas, is much more effective at trapping heat than carbon dioxide, so even small amounts of it contribute significantly to global warming.

Natural gas is predominately made up of methane, a greenhouse gas at least 34 times more powerful at trapping heat than carbon dioxide.

Even though methane is better at trapping heat than carbon dioxide, there's a lot less of it in the atmosphere.

If it escapes into the atmosphere instead, methane acts as a potent greenhouse gas — in fact, it is over 20 times more effective at trapping heat than carbon dioxide.

That's a cause for concern because, among other reasons, methane traps more heat than carbon dioxide, making it a more potent greenhouse gas and thus of concern for global warming, according to a study detailing the trip's findings and published recently in the journal Atmospheric Environment.

Over a 100 - year timeframe, methane is about 34 times as potent at trapping heat than carbon dioxide, and over 20 years, it's 86 times more potent.

But natural gas consists predominately of methane, so even small leaks from natural gas wells can create large climate concerns because methane is a potent greenhouse gas — it's about 30 times more effective at trapping solar heat than carbon dioxide over a 100 - year period.

Not exact matches

Methane is the second-most prevalent greenhouse gas according to the EPA, and is believed to be 20 times more potent as a heat - trapping greenhouse gas than carbon dioxide.

When the carbon fiber material undergoes a kind of heating process known as curing, it can become «stronger than steel for the same mass of material,» explained Facebook Connectivity Lab director Yael Maguire in a blog post.

Methane is about 23 times more potent at trapping heat in our environment than carbon dioxide.

Methane or natural gas is 72 times more potent at capturing heat in the atmosphere than carbon dioxide over the first 20 years after release - and to deal with climate change, we need to focus on the next few decades.

Methane is a greenhouse gas that traps heat even better than carbon dioxide.

Because these black particles absorb more heat than white snow, the study of black carbon concentrations in glaciers is important for predicting future melt rates.

As temperatures warm, the Arctic permafrost thaws and pools into lakes, where bacteria feast on its carbon - rich material — much of it animal remains, food, and feces from before the Ice Age — and churn out methane, a heat trapper 25 times more potent than carbon dioxide.

Based on this analysis of potential emissions - cutting measures — as well as the success of programs to inspire them — weatherizing homes as well as properly maintaining heating and cooling systems could save more than 37 million metric tons of carbon.

Shops and other services are more concentrated in town and city neighbourhoods, and urban residents are much more likely to use public transport, share heating and housing, and have lower carbon footprints than their rural brethren.

The porous carbon performed better as conductive electrode material than conventional carbon sources, often heat - treated coconut shells, coal or wood.

In addition to reduced energy intensity, carbon dioxide emissions reflected lower residential sector demand for heating after a warmer - than - usual winter in 2012.

Cattle are responsible for 20 percent of U.S. emissions of methane, which traps heat in the atmosphere 20 times more effectively than carbon dioxide.

Although the concentration of carbon dioxide in the atmosphere is much higher, at around 385 parts per million, methane is a worry as it is much better than carbon dioxide at locking in heat from solar radiation.

Although CFCs are extremely persistent, remaining in the upper atmosphere for decades, and although they are 10,000 times more efficient than carbon dioxide at trapping heat, the process of controlling them has been under way for years, for reasons having nothing to do with the greenhouse effect.

Using a laser, Anton Zeilinger, Markus Arndt, and their team heated giant carbon molecules to more than 5,000 degrees Fahrenheit in an airless environment.

Carbon dioxide gets more press, but methane is the more powerful agent of global warming, 21 times more effective than carbon dioxide at trapping heat in the atmosphere.

Although there is much less of it in the air, it is 33 times more effective than carbon dioxide at trapping heat in the atmosphere and adding to greenhouse warming.

Cortright and chemical engineer James Dumesic discovered in their university lab back in 2001 that by starting with water and various carbohydrates from plants — basically, carbon, hydrogen and oxygen compounds — and using catalysts, heat and pressure, they could start creating CO2 and hydrogen and then use that hydrogen to eliminate the oxygen as water (the process produces more water than it consumes).

While Boyd took the call, he unintentionally let a copper foil heat for longer than usual before exposing it to methane vapor, which provides the carbon atoms needed for graphene growth.

These chemicals can be tens of thousands of times more potent than carbon dioxide in trapping heat, so even small amounts leaking into the atmosphere could have an outsized impact on the climate.

A host of new techniques and technologies will be required to reduce emissions from these sources that includes reusing heat and power generated in manufacturing processes; recycling materials or substituting them; controlling greenhouse gases other than carbon dioxide (CO2); and, ultimately, capturing and burying the CO2 produced.

Molecule for molecule, methane traps 20 to 25 times more heat in the atmosphere than does carbon dioxide.

According to the experiments of Langley, the carbon dioxide and the water vapor, which the atmosphere contains, are more opaque to the heat rays of great wave lengths which are emitted by the earth, than to the waves of various lengths which emanate from the sun.

While this represents a much smaller percentage of overall greenhouse gases than carbon dioxide, methane is about 20 times more effective at trapping heat.

Think of a holiday road trip's effect on the climate this way: The amount of heat a car contributes to the atmosphere because of its carbon emissions may be 100,000 times greater than the actual heat given off by its engine.

Caldeira said the study's most significant finding is that the carbon released from burning a gallon of gas — or any fossil fuel — heats the climate dramatically more than the heat given off during burning.

«Thermally regenerative batteries are a carbon - neutral way to store and convert waste heat into electricity with potentially lower cost than solid - state devices.»

Like older models, they will use uranium fission to heat water and drive a turbine, but these reactors will be smaller, simpler to build, and each will add more than 1100 megawatts of capacity to the region's power grid when they come online in 2016 or 2017 — without emitting carbon dioxide.

To heat that boiler, the damp, crumbly brown coal known as lignite — which is even more polluting than the harder black anthracite variety — burns in the presence of pure oxygen, a process known as oxyfuel, releasing as waste both water vapor and that more notorious greenhouse gas, carbon dioxide (CO2).

«If a power plant is burning continuously, within three to five months, depending on the type of power plant, the carbon dioxide from the power plant is doing more to heat the earth than the fires in its boiler,» Ken Caldeira, a climate scientists at the Carnegie Institute and the study's co-author, said.

«As time goes on, the rate of burning in the power plant stays the same, but the carbon accumulates, so by the end of the year, the greenhouse gases will be heating the earth much more than the direct emissions of the power plant.»

Methane doesn't last as long in the atmosphere, but it is much more efficient than carbon dioxide at trapping heat.

If the folks at Guinness World Records kept tabs on climate change, they'd be taking note that the planet has hit a milestone: levels of heat - trapping carbon dioxide in the atmosphere have averaged more than 400 parts per million each day for the entire month of April.

But even La Nina years now are warmer than El Niño years several decades ago because of the long - term warming caused by carbon dioxide and other heat - trapping gases emitted into the atmosphere.

There is an enormous amount of methane at the bottom of the oceans; and methane reflects heat far better than carbon dioxide does.

As long as there is more carbon dioxide in the atmosphere than before, it will reduce the percentage of thermal radiation which is able to leave the atmosphere, which means that the climate system must heat up if the rate at which energy leaves the climate system is to equal the rate an which energy enters the climate system.

NASA research shows that permafrost — permanently frozen ground in the Arctic that contains heat - trapping gases such as methane and carbon dioxide — is thawing at faster rates now than scientists have observed before.

According to the U.S. Environmental Protection Agency, the greenhouse gas methane is highly efficient at trapping heat in the atmosphere and a significant contributor to global warming, over 80 times more potent than carbon dioxide.

After more than a year of delay, the EPA is finally now requesting public comments on whether carbon dioxide and other heat - trapping pollutants are endangering our health and our climate.

While larger planets could have sufficient gravity to attract a massive hydrogen - helium atmosphere, smaller planets — like Mars or Mercury that have less than half the Earth's mass — located in or near their star's habitable zone may lose their initial life - supporting atmosphere because of low gravity and / or the lack of plate tectonics needed to recycle heat - retaining carbon dioxide gas back into the atmosphere (Kasting et al, 1993).

The general consensus among scientists is that the young Earth's atmosphere contained much larger quantities of greenhouse gases (such as carbon dioxide and / or ammonia) than are present today, which trapped enough heat to compensate for the lesser amount of solar energy reaching the planet.

The way the ocean transported heat, nutrients and carbon dioxide at the peak of the last ice age is significantly different than what has previously been suggested.

Methane gas traps even more heat on the earth's surface than carbon dioxide, making it an important part of the climate change puzzle.