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Paris agreement won’t stop sea level rise
Paris agreement won’t stop sea level rise | Sea Level Rise and Coastal Flooding
The global ocean is gaining more water from land ice melt and expanding caused by the heat input and thermal expansion. The time scales that the ocean and ice sheets respond are not on human generational scales but on centuries and millennial scales
So what might the goals of the Paris agreement mean for global mean sea level. The bottom line is we are still going to see significant sea level rise. That is we are committed to significant sea level rise no matter what greenhouse gas scenario plays out.
Paris agreement won’t stop sea level rise | Sea Level Rise and Coastal Flooding
The global ocean is gaining more water from land ice melt and expanding caused by the heat input and thermal expansion. The time scales that the ocean and ice sheets respond are not on human generational scales but on centuries and millennial scales
So what might the goals of the Paris agreement mean for global mean sea level. The bottom line is we are still going to see significant sea level rise. That is we are committed to significant sea level rise no matter what greenhouse gas scenario plays out.
Why are negative emissions so important?
They allow us to keep below 1.5C (66% chance).
Ain't gonna happen!!!
They allow us to keep below 1.5C (66% chance).
Ain't gonna happen!!!
Even if the global warming scare were a hoax, we would still need it
China is the low-carbon superpower and will be the ultimate enforcer of the COP21 climate deal in Paris
Even if the global warming scare were a hoax, we would still need it
Chinese scientists have published two alarming reports in a matter of weeks. Both conclude that the Himalayan glaciers and the Tibetan permafrost are succumbing to catastrophic climate change, threatening the water systems of the Yellow River, the Yangtze and the Mekong.
The Tibetan plateau is the world’s "third pole", the biggest reservoir of fresh water outside the Arctic and Antarctica. The area is warming at twice the global pace, making it the epicentre of global climate risk.
One report was by the Chinese Academy of Sciences. The other was a 900-page door-stopper from the science ministry, called the “Third National Assessment Report on Climate Change”.
The latter is the official line of the Communist Party. It states that China has already warmed by 0.9-1.5 degrees over the past century – higher than the global average - and may warm by a further five degrees by 2100, with effects that would overwhelm the coastal cities of Shanghai, Tianjin and Guangzhou. The message is that China faces a civilizational threat.
China is the low-carbon superpower and will be the ultimate enforcer of the COP21 climate deal in Paris
Even if the global warming scare were a hoax, we would still need it
Chinese scientists have published two alarming reports in a matter of weeks. Both conclude that the Himalayan glaciers and the Tibetan permafrost are succumbing to catastrophic climate change, threatening the water systems of the Yellow River, the Yangtze and the Mekong.
The Tibetan plateau is the world’s "third pole", the biggest reservoir of fresh water outside the Arctic and Antarctica. The area is warming at twice the global pace, making it the epicentre of global climate risk.
One report was by the Chinese Academy of Sciences. The other was a 900-page door-stopper from the science ministry, called the “Third National Assessment Report on Climate Change”.
The latter is the official line of the Communist Party. It states that China has already warmed by 0.9-1.5 degrees over the past century – higher than the global average - and may warm by a further five degrees by 2100, with effects that would overwhelm the coastal cities of Shanghai, Tianjin and Guangzhou. The message is that China faces a civilizational threat.
Even the charts used by climate-change deniers show that temperatures are getting warmer
Even the charts used by climate-change deniers show that temperatures are getting warmer
Even the charts used by climate-change deniers show that temperatures are getting warmer
Frandeman
New Member
This it's hotter December
In record in the UK
14c at night in December it's hot
In record in the UK
14c at night in December it's hot
Frandeman
New Member
Scary !!
Unions threaten to shut down coal mines as four more potential cases of 'black lung' emerge
Unions threaten to shut down coal mines as four more potential cases of 'black lung' emerge
Mitch McConnell and the Coal Industry’s Last Stand
Mitch McConnell and the Coal Industry’s Last Stand
Unions threaten to shut down coal mines as four more potential cases of 'black lung' emerge
Mitch McConnell and the Coal Industry’s Last Stand
Mitch McConnell and the Coal Industry’s Last Stand
Warning: your festive meal could be more damaging than a long-haul flight
Warning: your festive meal could be more damaging than a long-haul flight | George Monbiot
Warning: your festive meal could be more damaging than a long-haul flight | George Monbiot
A Fitting End for the Hottest Year on Record
http://www.nytimes.com/2015/12/24/science/climate-change-record-warm-year.html
With some help from El Niño, 2015 will almost certainly finish out its run as the hottest year on record with temperatures on Christmas Eve and Christmas Day predicted to be well above average across much of the United States.
http://www.nytimes.com/2015/12/24/science/climate-change-record-warm-year.html
With some help from El Niño, 2015 will almost certainly finish out its run as the hottest year on record with temperatures on Christmas Eve and Christmas Day predicted to be well above average across much of the United States.
tenpoundsleft
Member
Such rubbish, why is this thread still alive, and pinned at that? Kooky.
How 16 ships create as much pollution as all the cars in the world
But go ahead, keep wringing your hands over clean coal plants in the US, personal vehicle emissions, etc.
Not only is this man-made warming thing a religion, it's a stupid religion at that.
It's all about solar cycles, which is actually logical, check this:
Correlation of global temperature with solar activity
Will be interesting to see what the next couple of decades have in store as the sun is getting quiet. Then again, that's probably man-made too....
How 16 ships create as much pollution as all the cars in the world
But go ahead, keep wringing your hands over clean coal plants in the US, personal vehicle emissions, etc.
Not only is this man-made warming thing a religion, it's a stupid religion at that.
It's all about solar cycles, which is actually logical, check this:
Correlation of global temperature with solar activity
Will be interesting to see what the next couple of decades have in store as the sun is getting quiet. Then again, that's probably man-made too....
The warmest Christmas Eve the East Coast has ever seen is shattering records
The warmest Christmas Eve the East Coast has ever seen is shattering records
The warmest Christmas Eve the East Coast has ever seen is shattering records
Climate—Where Do We Go From Here?
http://www.technologyreview.com/news/544571/witnessing-climate-change-everywhere/
On an Instagram account called everydayclimatechange, the photographer James Whitlow Delano curates pictures that document causes and effects of global warming and responses to it.
http://www.technologyreview.com/news/544571/witnessing-climate-change-everywhere/
On an Instagram account called everydayclimatechange, the photographer James Whitlow Delano curates pictures that document causes and effects of global warming and responses to it.
Michael Mann: How Close Are We to ‘Dangerous’ Planetary Warming?
Michael Mann: How Close Are We to 'Dangerous' Planetary Warming?
Let’s summarize. We’re already close to 1.2C net warming for the Northern Hemisphere relative to a true pre-industrial baseline. If we were to suddenly halt all fossil fuel burning (and other human activities generating carbon emissions), then greenhouse warming would cease [interestingly, this is actually a consequence of two offsetting factors: there is future warming in the pipeline owing to the slow response of ocean warming to greenhouse gases, the so-called ‘committed warming.’ Offsetting this potential for additional future warming, however, is the fact that the ocean begins to absorb CO2 from the atmosphere, lowering CO2 concentrations. Recent work has argued that these two factors essentially cancel]. However, we would see another ~0.5C warming owing to the disappearance of sulphate pollutants, yielding 1.2C+0.5C = 1.7C total warming, perilously close to the 2C limit.
So what’s the bottom line? Well, we’re actually closer to the dangerous 2C warming mark than many experts acknowledge. And yet there is still hope for limiting warming to 2C despite claims to the contrary by some (see also this response).
Doing so would require rapid decarbonization of our economy and, perhaps, implementation of strategies and technologies for removing carbon from the atmosphere. If we decide that 2C is still too much warming, and seek a lower target of 1.5C, the challenge is more uphill. Reducing emissions alone won’t be adequate, and sequestration of atmospheric carbon will be critical.
We can do this. No, we must do this.
Michael Mann: How Close Are We to 'Dangerous' Planetary Warming?
Let’s summarize. We’re already close to 1.2C net warming for the Northern Hemisphere relative to a true pre-industrial baseline. If we were to suddenly halt all fossil fuel burning (and other human activities generating carbon emissions), then greenhouse warming would cease [interestingly, this is actually a consequence of two offsetting factors: there is future warming in the pipeline owing to the slow response of ocean warming to greenhouse gases, the so-called ‘committed warming.’ Offsetting this potential for additional future warming, however, is the fact that the ocean begins to absorb CO2 from the atmosphere, lowering CO2 concentrations. Recent work has argued that these two factors essentially cancel]. However, we would see another ~0.5C warming owing to the disappearance of sulphate pollutants, yielding 1.2C+0.5C = 1.7C total warming, perilously close to the 2C limit.
So what’s the bottom line? Well, we’re actually closer to the dangerous 2C warming mark than many experts acknowledge. And yet there is still hope for limiting warming to 2C despite claims to the contrary by some (see also this response).
Doing so would require rapid decarbonization of our economy and, perhaps, implementation of strategies and technologies for removing carbon from the atmosphere. If we decide that 2C is still too much warming, and seek a lower target of 1.5C, the challenge is more uphill. Reducing emissions alone won’t be adequate, and sequestration of atmospheric carbon will be critical.
We can do this. No, we must do this.
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Have we hit "the end of the fossil fuel era"? Not even close.
This chart shows how tough it'll be to decarbonize the global economy
The Paris climate deal is, potentially, an important first step toward addressing climate change. But some of the headlines have been wildly overstated, saying the treaty marks the "end of the fossil fuel era."
That's awfully premature. Oil, gas, and coal still make up about 86 percent of the world's energy supply — a fraction that has barely budged since 1997. Until that drops sharply, we can't really declare the end of the fossil fuel era:
This chart shows how tough it'll be to decarbonize the global economy
The Paris climate deal is, potentially, an important first step toward addressing climate change. But some of the headlines have been wildly overstated, saying the treaty marks the "end of the fossil fuel era."
That's awfully premature. Oil, gas, and coal still make up about 86 percent of the world's energy supply — a fraction that has barely budged since 1997. Until that drops sharply, we can't really declare the end of the fossil fuel era:
Big Oil braced for global warming while it fought regulations
http://graphics.latimes.com/oil-operations/
A few weeks before seminal climate change talks in Kyoto back in 1997, Mobil Oil took out a bluntly worded advertisement in the New York Times and Washington Post.
“Let’s face it: The science of climate change is too uncertain to mandate a plan of action that could plunge economies into turmoil,” the ad said. “Scientists cannot predict with certainty if temperatures will increase, by how much and where changes will occur.”
One year earlier, though, engineers at Mobil Oil were concerned enough about climate change to design and build a collection of exploration and production facilities along the Nova Scotia coast that made structural allowances for rising temperatures and sea levels.
“An estimated rise in water level, due to global warming, of 0.5 meters may be assumed” for the 25-year life of the Sable gas field project, Mobil engineers wrote in their design specifications. The project, owned jointly by Mobil, Shell and Imperial Oil (a Canadian subsidiary of Exxon), went online in 1999; it is expected to close in 2017.
The United States has never ratified the 1997 Kyoto Protocol to reduce greenhouse emissions.
A joint investigation by the Columbia University Graduate School of Journalism’s Energy and Environmental Reporting Project and the Los Angeles Times earlier detailed how one company, Exxon, made a strategic decision in the late 1980s to publicly emphasize doubt and uncertainty regarding climate change science even as its internal research embraced the growing scientific consensus.
...
http://graphics.latimes.com/oil-operations/
A few weeks before seminal climate change talks in Kyoto back in 1997, Mobil Oil took out a bluntly worded advertisement in the New York Times and Washington Post.
“Let’s face it: The science of climate change is too uncertain to mandate a plan of action that could plunge economies into turmoil,” the ad said. “Scientists cannot predict with certainty if temperatures will increase, by how much and where changes will occur.”
One year earlier, though, engineers at Mobil Oil were concerned enough about climate change to design and build a collection of exploration and production facilities along the Nova Scotia coast that made structural allowances for rising temperatures and sea levels.
“An estimated rise in water level, due to global warming, of 0.5 meters may be assumed” for the 25-year life of the Sable gas field project, Mobil engineers wrote in their design specifications. The project, owned jointly by Mobil, Shell and Imperial Oil (a Canadian subsidiary of Exxon), went online in 1999; it is expected to close in 2017.
The United States has never ratified the 1997 Kyoto Protocol to reduce greenhouse emissions.
A joint investigation by the Columbia University Graduate School of Journalism’s Energy and Environmental Reporting Project and the Los Angeles Times earlier detailed how one company, Exxon, made a strategic decision in the late 1980s to publicly emphasize doubt and uncertainty regarding climate change science even as its internal research embraced the growing scientific consensus.
...
The conservative retreat on Climate Change has at last begun
The conservative retreat on Climate Change has at last begun
After close to three decades of ignoring and/or actively subverting climate science, conservatives have finally been forced to acknowledge the face-lashing climate facts that are now afflicting the planet. The accumulating evidence of melting glaciers, drought, record wildfires, rising oceans and devastating flooding, has finally dislodged the permafrost position conservatives have clung to on climate science.
It is the watershed moment of retreat on this issue, which has seen an ever-quickening tap dance of clever positions, from ‘there isn’t any evidence’, to ‘climate change will be a good thing’, to ‘scientists are all corrupt and actively perpetrating a worldwide conspiracy’.
The conservative retreat on Climate Change has at last begun
After close to three decades of ignoring and/or actively subverting climate science, conservatives have finally been forced to acknowledge the face-lashing climate facts that are now afflicting the planet. The accumulating evidence of melting glaciers, drought, record wildfires, rising oceans and devastating flooding, has finally dislodged the permafrost position conservatives have clung to on climate science.
It is the watershed moment of retreat on this issue, which has seen an ever-quickening tap dance of clever positions, from ‘there isn’t any evidence’, to ‘climate change will be a good thing’, to ‘scientists are all corrupt and actively perpetrating a worldwide conspiracy’.
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