As humans burn fossil fuels, adding carbon dioxide to the atmosphere, globally average temperature rises as a result.
The permafrost is a vast reservoir of ancient carbon, protected from decay by microorganisms simply by its frozen state: it becomes increasingly vulnerable as the world warms,
as humans burn fossil fuels and dump ever greater concentrations of carbon dioxide in the atmosphere.
as humans burn fossil fuels and dump ever greater concentrations of carbon dioxide in the atmosphere.
Not exact matches
Some greenhouse gases occur naturally in the atmosphere, while others result from
human activities such
as burning of
fossil fuels such
as coal.
Human activities are emitting around 10.5 billion tonnes of carbon annually and rising, mostly
as a result of
burning fossil fuels.
And that makes controlling O3 pollution from
fossil fuel burning as important for climate change
as it is for
human and plant health.
Over the last few centuries, the ocean has absorbed huge amounts of the carbon dioxide spewed into the atmosphere by
human activities, such
as burning fossil fuels.
Over the past 250 years,
human activities such
as fossil fuel burning have raised the atmospheric CO2 concentration by more than 40 % over its preindustrial level of 280 ppm (parts per million).
Kyoto regulates all sources of carbon dioxide
as well
as other greenhouse gases, but reliable long - term data by country are available only for carbon dioxide from
burning fossil fuels (which accounts for about two - thirds of the
human contribution to global warming).
There is hope, however,
as CO2 from
burning fossil fuels and other
human activities appears to have leveled off in 2015 at roughly 40 billion metric tons of CO2 liberated into the atmosphere.
Over a long enough period of time, the increased carbon burial could help offset a small fraction of carbon emitted by
human activities such
as fossil fuel burning, says study coauthor Antje
As such the paper serves as a complement, rather than an alternative, to other methods of attributing climatic change to human activity (fossil fuel burning
As such the paper serves
as a complement, rather than an alternative, to other methods of attributing climatic change to human activity (fossil fuel burning
as a complement, rather than an alternative, to other methods of attributing climatic change to
human activity (
fossil fuel burning).
The concentration of atmospheric CO2 has increased dramatically since the Industrial Revolution (from around 280 parts per million [ppm] in preindustrial times to 401 ppm in 2015), primarily due to
human activities such
as the
burning of
fossil fuels and changes in land - use.
It also acts
as a carbon sink — absorbing about 30 % of atmospheric CO2 released from
human activities such
as burning fossil fuels...
And the less common and more extreme the hot extreme or heavy rainfall event, the more this can be blamed on
human activity, such
as the
burning of
fossil fuels.
When asked about global warming, 84 percent of scientists say the earth is getting warmer because of
human activity such
as burning fossil fuels, while only 49 percent of the public agrees.
In other words, there is no warming effect of greenhouse gases and
humans can carry on with Business
As Usual, including massive
burn of
fossil fuels.
As if more evidence was needed to combat air pollution caused from
burning fossil fuels, two recently released reports articulate a
human toll that may be higher than previously imagined.
Such factors include increased greenhouse gas concentrations associated with
fossil fuel burning, sulphate aerosols produced
as an industrial by - product,
human - induced changes in land surface properties among other things.
Whether
human activities such
as burning fossil fuels is contributing to the greenhouse effect is where much of the debate lies.
As we've learned from what's called «the terrifying math of global warming», we need to leave a huge amount of fossil fuels that have been discovered in the ground instead of burning them into the atmosphere in order to keep the planet from warming so much as to make it inhospitable to human lif
As we've learned from what's called «the terrifying math of global warming», we need to leave a huge amount of
fossil fuels that have been discovered in the ground instead of
burning them into the atmosphere in order to keep the planet from warming so much
as to make it inhospitable to human lif
as to make it inhospitable to
human life.
In the standards for middle school, for example, one of the core ideas is that «
human activities, such
as the release of greenhouse gases from
burning fossil fuels, are major factors in the current rise in Earth's mean surface temperature («global warming»).»
They looked at the potential long - term consequences of oceans ever richer in dissolved carbon dioxide,
as humans burn ever more
fossil fuels and emit greenhouse gases that continue to warm the atmosphere.
The difference in the case of climate change from
burning fossil fuels is they are putting
human civilization itself at stake,
as well
as most of the rest of life on Earth.
This acceleration was due to a strong El Niño event — which triggered droughts and reduced the capacity of forests, vegetation and the oceans to absorb CO2 —
as well
as human activities, such
as the
burning of
fossil fuels.
They report in the journal Climatic Change that, if
humans continue to
burn fossil fuels at an accelerating rate, and
as average global temperatures creep up by the predicted 4 °C above historic levels, then on the hottest days, between 10 % and 30 % of fully - loaded planes may have to remove
fuel, cargo or passengers before they can take off: either that, or flights will have to be delayed to the cooler hours.
During recent years,
as human fossil -
fuel burning has continued to warm the Earth, such fires have become more and more common.
U.S. National Academy of Sciences founded by Abraham Lincoln back in the 19th century, all the national academies of all of the major industrial nations around the world have all gone on record
as stating clearly that
humans are warming the planet and changing the climate through our continued
burning of
fossil fuels.
The IPCC has not only asserted that global warming is occurring, but that to a large degree it is caused by
human activities such
as burning fossil fuels rather than being a natural phenomenon.
When asked to pick among three choices, 50 % say that climate change is occurring mostly because of
human activity such
as burning fossil fuels, 23 % say that climate change is mostly because of natural patterns in the earth's environment, and another 25 % say there is no solid evidence the earth is getting warmer.
Consequently an increase in the atmospheric concentration of greenhouse gases from
human activities such
as burning fossil fuels leads to an enhanced greenhouse effect.
As long as humans continue to increase the greenhouse effect by burning massive quantities of fossil fuels, the planet will continue to warm, as is clear from the acceleration of global warming since 200
As long
as humans continue to increase the greenhouse effect by burning massive quantities of fossil fuels, the planet will continue to warm, as is clear from the acceleration of global warming since 200
as humans continue to increase the greenhouse effect by
burning massive quantities of
fossil fuels, the planet will continue to warm,
as is clear from the acceleration of global warming since 200
as is clear from the acceleration of global warming since 2000.
«Climate Change» is a general term used when referring to a wide range of effects brought about by
human activities such
as burning fossil fuels, deforestation, and «heat island effects» resulting from buildings and pavement in the major
human settlements.
Scientists complained that the programme makers distorted evidence, and made elementary mistakes such
as claiming that volcanoes produce more carbon dioxide than
human activities, when in fact they produce less than 2 % of that caused by the
burning of
fossil fuels.
«The Kullman study points to mounting evidence that climate is largely out of
human control,
as humans were not
burning large amounts
fossil fuels during Roman and Medieval times.
This suggested that over the past 20 years,
human activities such
as the
burning of
fossil fuels and deforestation had begun to dominate «the natural factors involved in climate change,» he said.
I see the
burning of
fossil fuels as the handmaiden of
human betterment down the ages, and before I see it denied to today's developing populations and to future generations, I want to see proper scientific evidence.
There is no logical requirement for the first answer to lead to «mostly because of
human activity such
as burning fossil fuels.»
After atmospheric CO2 levels remained steady for thousands of years, natural sources suddenly began to emit more than the sinks absorb at the exact same time
as humans began
burning fossil fuels.
Is the earth getting warmer (a) mostly because of
human activity such
as burning fossil fuels, or (b) mostly because of natural patterns in the earth's environment.?
Let's go ahead and pump, dig, excavate and
burn every last possible
fossil fuel we can
as the Earth is immune to anything
humans can do.
They found that,
as humans burn ever more
fossil fuels to release ever higher levels of greenhouse gases into the atmosphere, to stoke yet further global warming and trigger catastrophic climate change, all 571 cities will experience ever greater heatwaves: that is, three consecutive days and nights at which temperatures are about
as high
as they have ever been for that city.
Data correlating «ordinary science intelligence» (
as measured by a standard nine - question test), political ideology, and tendency to agree with the statement «there is «solid evidence» of recent global warming due «mostly» to «
human activity such
as burning fossil fuels»» suggests that conservative Republicans become less likely to agree with the scientific consensus on climate change the more educated they are.
In the IPCC's «Climate Change 2007 — The Physical Science Basis», figure 1 (a) on page 513 shows the
human contribution from
fossil fuel burning and cement production
as being 7Gt of carbon for each year from 2000 to 2005.
In fact, 97 percent of actively publishing climate scientists agree — that's right, there is an overwhelming 97 % consensus position that global warming is real and largely driven by
human activities such
as the
burning of
fossil fuels.
The rise in greenhouse gases corresponds with the extra amount of CO2 known to have been emitted by
human activities, such
as burning fossil fuels and cutting down forests.
After staying below 300 parts per million (ppm) for some 800,000 years, the concentration of CO2 in the atmosphere skyrocketed
as humans started
burning more and more
fossil fuels.
But
human actions, such
as raising cattle or
burning fossil fuel, now account for more than half of the methane released.
And there is very real risk that the next few decades could see considerable further acceleration of Antarctica's glaciers
as a result of
human - forced warming due to
fossil fuel burning.
CO2 can act
as both a primary driver, if
humans burn fossil fuels to increase CO2 levels, and a secondary driver (part of the positive feedback loop) if CO2 levels increase naturally
as a result of other forcings which cause a warming and which, in turn, lead to increased CO2 levels.