The oceans play a central role in the global carbon cycle, absorbing more than a quarter of the carbon dioxide (CO2) that humans put into the air («anthropogenic carbon»), primarily
by fossil fuel burning.
Carbon dioxide levels caused
by fossil fuel burning rose 5.9 % last year to a new high, figures from the Global Carbon Project reveals.
There are many other human - induced stresses on life, including land conversion with habitat destruction, species overharvesting, homogenization of biota, and ubiquitous toxins, which must be dealt with, yet global warming caused
by fossil fuel burning may be a unique threat because of the millennial time scale of anthropogenic carbon within surface carbon reservoirs.
It now looks as if the greatest mass extinction on Earth — 250 million years ago — was caused
by fossil fuel burning.
«We looked at the PETM because it is thought to be the best ancient analogue for future climate change caused
by fossil fuel burning,» said Lee R. Kump, professor of geosciences at Penn State University.
Nevertheless, the increased electricity consumption intensity in the economy has been satisfied
by fossil fuel burning, which has cancelled out the advantages of that shift.»
Globally, permafrost carbon emissions are likely to amplify warming caused
by fossil fuel burning and other human activities.
It is exceptionally unlikely that we would be seeing a record year, during a record warming decade, during a multi-decadal period of warmth that appears to be unrivaled over at least the past millennium if it were not for the rising of planet - warming gases produced
by fossil fuel burning.»
«If Trichodesmium responds negatively to the environmental changes forced upon the ocean
by fossil fuel burning, it could have a large effect on our food web.»
The carbon cycle defines the fate of CO2 injected into the air
by fossil fuel burning [1], [168] as the additional CO2 distributes itself over time among surface carbon reservoirs: the atmosphere, ocean, soil, and biosphere.
On a national scale, the pair calculate that fires in the US release about 290 million metric tonnes of carbon dioxide each year — about 4 — 6 % of the amount that the country emits
by fossil fuel burning.
(Due to global warming and glacial melt spurred
by fossil fuel burning, oceans are now rising at their fastest rates in 10,000 years.
«It is exceptionally unlikely that we would be seeing a record year, during a record warm decade, during a multi-decadal period of warmth that appears to be unrivaled over at least the past millennium — if it were not for the rising levels of planet - warming gases produced
by fossil fuel burning.»
Climate change caused
by fossil fuel burning is the cause of the large - scale deoxygenation, as warmer waters hold less oxygen.
Add to that the increase in the atmosphere and the addition of 14C free CO2
by fossil fuel burning.
For example, atmospheric carbon dioxide grew by approximately 30 % during the transition from the most recent cold glacial period, about 20,000 years ago, to the current warm interglacial period; the corresponding rate of decrease in surface ocean pH, driven by geological processes, was approximately 50 times slower than the current rate driven largely
by fossil fuel burning.
The damage getting done to this planet
by fossil fuel burning is a crime beyond everything ever done by mankind.
The brochure for the workshop states: «Climate change caused
by fossil fuel burning leads to increased risks of extreme events such as heat waves, droughts, fires, severe storms, floods which in turn have major health effects.»
One of the things pointed out in that post is that we know that the rise in atmospheric CO2 is entirely caused
by fossil fuel burning and deforestation because many independent observations show that the carbon content has also increased in the ocean.
So although much more CO2 is released
by fossil fuel burning, smaller amounts of these high - greenhouse effect chemicals can cause equal damage.
They have very little to do with the long term trend (driven
by fossil fuel burning) but are important for understanding the sensitivity of the carbon cycle to changes in climate.
With higher CO2 concentrations (and higher temperature), plants in fact increase their CO2 uptake somewhat but not as much as would be needed to absorb all excess emissions e.g.
by fossil fuel burning.
Overall, the work shows that, of worldwide sources, India's wildfires, cooking fuel and fossil fuel burning contribute the most soot to the mountain range and plateau region, followed
by fossil fuel burning in China and other East Asian countries.
The carbon cycle defines the fate of CO2 injected into the air
by fossil fuel burning [1], [168] as the additional CO2 distributes itself over time among surface carbon reservoirs: the atmosphere, ocean, soil, and biosphere.
The world is warming due to the release of CO2
by fossil fuel burning This will change the climate unless we reduce CO2 emissions.
While there are many instruments that can measure CO2 concentration in the atmosphere, the difficulty is in separating natural CO2 from plant life from humanmade CO2 emitted
by fossil fuel burning.
There is no mystery about the reason — it's global warming, caused
by the fossil fuels we burn.
Not exact matches
Tens of thousands of Americans die every year from old - fashioned air pollution, generated
by electric power plants that
burn fossil fuels.
Carbon dioxide is mainly emitted
by burning fossil fuels.
The first is climate change, exacerbated
by the greenhouse gases we encourage
by burning fossil fuels, cutting down forests, and farming the way we do (particularly for meat production).
The will to overlook accelerated climate change caused
by the extraction of tar sands oil, the destruction of the carbon sink that is / was the boreal forest, and the continued
burning of
fossil fuels to power trips to the corner store for a creamy, etc..
For example, who really notices that the amount of carbon dioxide in the atmosphere has increased
by 25 per cent since the middle of the nineteenth century (as a result of the
burning of
fossil fuels, along with destruction of rainforests)?
Poor nations are at present relatively minor contributors to the carbon dioxide generated
by burning fossil fuels.
Industrialized countries with less than a quarter of the world's population are responsible for about three - quarters of the carbon dioxide released
by burning fossil fuels.
When we clear forests, we're not only knocking out our best ally in capturing the staggering amount of GHGs we humans create (which we do primarily
by burning fossil fuels at energy facilities, and of course, in cars, planes, and trains).
In her first major environmental proposal, Nixon called on New York State to commit to 100 percent renewable energy sources
by 2050 — a benchmark that has been something of a Holy Grail for activists concerned about the warming of the planet as a result of the
burning of
fossil fuels.
Howie Hawkins, the recent Green Party candidate for Governor, called today upon Governor Cuomo to acknowledge the climate change is being caused
by human activity, starting with the
burning of
fossil fuels.
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.
Reducing carbon pollution 80 percent
by 2050 means that in just 34 years there will be no more
fossil fuels burned in New York.
Reducing carbon pollution 80 percent
by 2050 means that in just 34 years there will be no more
fossil fuels burned in New York,» stated Bambrick.
Indeed, four conventional power plants
burning fossil fuels are due to come online in the Hudson Valley, at least two of which are possibly being lured
by the promise of higher profits due to the Zone configuration.
«He also refused to embrace the scientific view that climate change is now overwhelmingly driven
by the
burning of
fossil fuels and failed to answer legitimate questions about Exxon's support for climate denial groups during his tenure.»
According to previous studies, that amount — between 44 million and 146 million metric tons of CO2 — offsets a tiny fraction of the estimated 35.3 billion metric tons of CO2 generated
by the
burning of
fossil fuels and other industrial activity in 2013.
We have done that in spades
by burning fossil fuels, raising atmospheric levels from a pre-industrial 280 parts per million to the current 387 ppm.
Now a group of researchers led
by Steven Kuznicki at the University of Alberta in Edmonton, Canada, and Anthony Ku at General Electric think they can be used to screen out the carbon dioxide produced when processing or
burning fossil fuels.
The primary way freshwater ecosystems absorb CO2 created
by humans
burning fossil fuels is likely different than what happens in oceans.
But in the post-Rio world, the environmental risk of spent nuclear
fuel must be weighed against the potential environmental harm of the CO2 produced
by burning fossil fuels.
By adopting lighting technologies that use less energy the nations of the world will cut down on the
fossil fuels, often coal,
burned to produce that light.
Jacobson, the study's author, noted that the study also separated the effects of black carbon produced
by burning fossil fuels and that produced
by biofuels like wood or dung.
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.