Sentences with phrase «with human carbon»

With human carbon dioxide production accounting for less than 3 % of the earth's total natural carbon dioxide production it is ludicrous to think any small reduction we might make would be perceptible — Remember going back to the old stone age before mankind had fire (when the climate was warmer than it is now) would result in a less than 3 % reduction in carbon dioxide production.

El Niño alone won't trigger an ice apocalypse — but when you combine it with human carbon pollution, it might just be the fracture that sets off the avalanche.

Not exact matches

The reactors — six - foot - tall metal and glass boxes that glow seafoam green when at work — mimic what happens to carbon after millennia of pressure, but faster, with less human labor and a carbon - neutral footprint.

While neither is overly occupied with the policy concerns of the larger environmental movement ¯ global climate, carbon capture, alternative energy, the future of nuclear power, and so on ¯ they help illuminate a common narrative that places nature above human need.

... A number of scientific studies indicate that most global warming in recent decades is due to the great concentration of greenhouse gases (carbon dioxide, methane, nitrogen oxides and others) released mainly as a result of human activity... Doomsday predictions can no longer be met with irony or disdain.

Rick Perry, the U.S. Secretary of Energy who infamously once said he would do away with the Department of Energy, told CNBC that he didn't believe that carbon dioxide emissions from humans are the main cause for climate change.

Over the last decade lightweight carbon fiber and improvements in the design of the prosthetic racing foot have so improved performance that some people believe a human being without legs could have an advantage over one with them.

Given the knowledge that they are crapping in their own habitat with their carbon emissions from fossil fuel burning on Earth, I'd like to think humans have gained an evolutionary advantage which canines lack.

Mosquitoes prowling for a blood meal are drawn to the plumes of carbon dioxide exhaled with each human breath.

By comparing the isotopic ratios of nitrogen and carbon in the lions» remains with that of contemporary lions, humans and herbivore prey, Justin Yeakel of the University of California, Santa Cruz, estimates the lions ate around 35 people.

By comparing the isotopic ratios of nitrogen and carbon in the lions» remains with that of contemporary lions, humans and herbivore...

Air leaving the lungs is 78 percent nitrogen, 16 percent oxygen, and 4 percent carbon dioxide — depleted in oxygen and enriched more than a hundredfold in carbon dioxide compared with what went in, due to human metabolism.

The seas» absorption of human - generated carbon dioxide from the atmosphere is well documented, along with the harm it is causing ocean creatures like shellfish.

In addition, the ocean has absorbed 30 percent of the carbon dioxide associated with human activities, lessening the climate effects of fossil fuel combustion.

Waiting with bated breath: Opportunistic orientation to human odor in the malaria mosquito, Anopheles gambiae, is modulated by minute changes in carbon dioxide concentration.

Unseen by the human eye, plants interact with many species of fungi and other microbes in the surrounding environment, and these exchanges can impact the plant's health and tolerance to stressors such as drought or disease, as well as the global carbon cycle.

The ability of the oceans to take up carbon dioxide can not keep up with the rising levels of greenhouse gases in the atmosphere, which means carbon dioxide and global temperatures will continue to increase unless humans cut their carbon dioxide emissions.

When humans burn hydrocarbons, or fossil fuels, the carbon reacts with oxygen.

«We know that carbon footprint, a popular indicator used in environmental policies, does not correspond well with other environmental impacts such as toxicity to ecosystems and humans, depletion of resources, and land use.

Today, with deforestation accounting for a substantial portion of human - induced carbon emissions, the researchers describe the payment program they studied as «a cost - effective way to avert deforestation in developing countries — and hence a powerful tool to mitigate climate change.»

MELBOURNE, AUSTRALIA — In the run - up to national elections on 21 August, the country's top science body, the Australian Academy of Science (AAS), has weighed in on the climate change debate with a report backing the mainstream scientific view that human - induced climate change is real and that a business - as - usual approach to carbon emissions will lead to a «catastrophic» four - to five - degree increase in average global temperatures.

Hayhoe, for one, compares this report with a doctor's visit for Earth — the chronic disease being human - emitted carbon dioxide.

In the new study, he and his colleagues sought to quantify those costs by mapping each corridor along with the estimated human occupancy and the environmental values, including endangered and endemic vertebrates, plant diversity, critical habitats, carbon storage, and climate - regulation services, inside a 50 - kilometer - wide band overlaid onto each corridor.

Biosensors for two classes of drug targets were generated, including one associated with carbon dioxide transport and pH homeostasis in the human body.

5) Cremating a human body releases 15 kilograms of carbon dioxide (along with other pollutants, such as mercury from dental fillings), while traditional burial uses up scarce land.

«Human influence is so dominant now,» Baker asserts, «that whatever is going to go on in the tropics has much less to do with sea surface temperatures and the earth's orbital parameters and much more to do with deforestation, increasing atmospheric carbon dioxide and global warming.»

And such techniques might be capable, at best, of sequestering one billion metric tons of carbon dioxide per year (based on the extent of iron - deficient waters around the globe), compared with annual human emissions of more than eight billion metric tons and rising.

Linking the amount of carbon - 14 found in organic material with the bomb curve has been used to date human tooth enamel and even regenerating brain cells.

These are just a few obvious examples, but because the future Fox News pundit was talking about climate change let's consider something that is indisputable: the measured rise of carbon dioxide in the earth's atmosphere is numerically consistent with that predicted from the output of human industrial activity.

Areas with carbon - rich ecosystems with key wilderness habitats, such as tropical forests, were identified as those where new roads would cause the most environmental damage with the lease human benefit, particularly areas where few roads currently exist.

In the time since the 2007 version of this report, the human effect on the climate has grown more than 40 percent stronger, thanks to continued emissions of greenhouse gases and more precision in measurements, with carbon dioxide leading the charge.

According to Earl Brown, professor of medicine at the University of Ottawa, the more limited ability of the avian flu virus to infect cells in the human airway thus also appears to be associated with infection of the deep areas of the lung where oxygen and carbon dioxide are exchanged.

Humans and other life on Earth are part of this cycle — for instance, we and other species live off nutrients made with carbon, such as sugars, fats and proteins, and also exhale carbon dioxide and emit the gas with our cars and factories.

With the human activity associated with industrialization, however, came the burning of fossil fuels for manufacturing and transportation, putting more carbon dioxide into the air and creating an increased pressure of this gas on some regions of the earth's surface — including coastal arWith the human activity associated with industrialization, however, came the burning of fossil fuels for manufacturing and transportation, putting more carbon dioxide into the air and creating an increased pressure of this gas on some regions of the earth's surface — including coastal arwith industrialization, however, came the burning of fossil fuels for manufacturing and transportation, putting more carbon dioxide into the air and creating an increased pressure of this gas on some regions of the earth's surface — including coastal areas.

Since then, however, evidence has grown that humans were in the Americas before the rise of the Clovis culture, prompting Waters and Gustafson to reanalyse the remains with the latest carbon - dating technology.

While the neuron that picked up carbon dioxide had been known, the identity of the neuron or neurons with odor receptors that attracted mosquitoes to human skin scents remained elusive.

Model simulations of 20th century global warming typically use actual observed amounts of atmospheric carbon dioxide, together with other human (for example chloroflorocarbons or CFCs) and natural (solar brightness variations, volcanic eruptions,...) climate - forcing factors.

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.

«The main worry is that if deforestation increases, in combination with the increase fragmentation, increase in drought probability [caused by climate change] and the use of fires by humans, carbon emissions could escalate to proportions never experienced before.»

Human population growth and the rise in atmospheric carbon dioxide (CO2) concentration have growth exponentially with industrialization.

The PNNL study measured how, in the atmosphere, these aerosols interact with and mix with other volatile or semi-volatile organic compounds, the carbon - centric chemicals that evaporate from both natural and human - made sources.

The end of April has arrived, and with it, the record for the first month in human history with an average carbon dioxide level in Earth's atmosphere above 400 parts per million has been set.

We know with certainty that the increase in CO2 concentrations since the industrial revolution is caused by human activities because the isotopes of carbon show that it comes from fossil fuel burning and the clearing of forests.

Armed with this information, scientists will be able to do a much better job forecasting atmospheric carbon dioxide concentrations in the future, he said, and in understanding the role of human activities on the carbon cycle.

A Climate Central analysis attributed almost all of 2015's record heat to carbon pollution from human activities with El Niño and other natural phenomenon also playing smaller roles.

Is it possible with synchrotron X-rays to detect particulate matter in the nano - range in human fluids (such as blood) and tell at the same time the composition of the particles (heavy metals, carbon etc)?

The symptoms from those events (huge and rapid carbon emissions, a big rapid jump in global temperatures, rising sea levels, ocean acidification, widespread oxygen - starved zones in the oceans) are all happening today with human - caused climate change.

The chemical process of ocean acidification starts with the extra carbon dioxide humans are adding to the air.

Complete restoration of deforested areas is unrealistic, yet 100 GtC carbon drawdown is conceivable because: (1) the human - enhanced atmospheric CO2 level increases carbon uptake by some vegetation and soils, (2) improved agricultural practices can convert agriculture from a CO2 ource into a CO2 sink [174], (3) biomass - burning power plants with CO2 capture and storage can contribute to CO2 drawdown.

With each exhalation, we get rid of carbon dioxide and other toxins in the human body.