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~70% of solar energy that hits Earth is absorbed and re-emitted, some of it trapped by greenhouse gases
Modern climate change is dominated by human influences, which are now
large enough to exceed the bounds of natural variability. The main source of
global climate change is human-induced changes in atmospheric composition.
These perturbations primarily result from emissions associated with energy
use, but on local and regional scales, urbanization and land use changes are
also important.
source
CO2 levels have increased 40% since Industrial Revolution
The latest analysis of observations from the WMO Global
Atmosphere Watch (GAW) Programme shows that the globally
averaged mole fractions of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) reached new highs in 2013
source
Solar activity and temperature show opposite trends in recent decades
Here we show that over the past 20 years, all the trends in the Sun
that could have had an influence on the Earth’s climate have been in the opposite
direction to that required to explain the observed rise in global mean temperatures.
source
The lower atmosphere is warming while the upper atmosphere is cooling
We perform a multimodel detection and attribution study with
climate model simulation output and satellite-based measurements
of tropospheric and stratospheric temperature change. We use
simulation output from 20 climate models participating in phase 5
of the Coupled Model Intercomparison Project.
source
Humans have added 2,000 gigatons of CO2 to atmosphere since 1870, and 40% has stayed there
Here we describe data sets and a
methodology to quantify all major components of the global carbon budget, including their uncertainties, based
on the combination of a range of data, algorithms, statistics and model estimates and their interpretation by a
broad scientific community.
source
CO2 levels havent been this high (>400 ppm) since before humans existed
The last time there was this much carbon dioxide (CO2) in the Earth's atmosphere, modern humans didn't exist. Megatoothed sharks prowled the oceans, the world's seas were up to 100 feet higher than they are today, and the global average surface temperature was up to 11°F warmer than it is now.
source
Carbon isotopes tell us that increased CO2 is coming from burning fossil fuels
Unlike 14C, the amount of 13C or 12C in an artifact does not change over time since both 13C and 12C are stable isotopes. In other words, they do not decay. Because they are stable isotopes, a 13C atom will always remain a 13C atom, and the same is true for 12C.
source
Volcanoes are not the source of modern climate change
Carbon dioxide constitutes approximately 0.04% of the air in the Earth's atmosphere. In an average year, volcanoes release between about 180 and 440 million tonnes of carbon dioxide. When this colorless, odorless gas is emitted from volcanoes, it typically becomes diluted to low concentrations very quickly and is not life threatening. However, because cold carbon dioxide gas is heavier than air it can flow into in low-lying areas where it can reach much higher concentrations in certain, very stable atmospheric conditions. This can pose serious risks to people and animals. Breathing air with more than 3% CO2 can quickly lead to headaches, dizziness, increased heart rate and difficulty breathing.
source
Carbon sinks and carbon sources are out of balance
source
Methane and nitrous oxide are increasing (also due to human activities)
This section provides information on emissions and removals of the main greenhouse gases to and from the atmosphere.
source
Climate models are unable to replicate warming trend unless man-made CO2 is taken into account
There are two major questions in climate modeling - can they accurately reproduce the past (hindcasting) and can they successfully predict the future? To answer the first question, here is a summary of the IPCC model results of surface temperature from the 1800s - both with and without man-made forcings. All the models are unable to predict recent warming without taking rising CO2 levels into account.
source
There were twice as many record highs as record lows in 2000's and past three decades were warmest since 1850
This figure shows the annual values of the U.S. Heat Wave Index from 1895 to 2014. These data cover the contiguous 48 states.
source
The past 30 years is likely the warmest in eight centuries
source
Oceans abosrb 90% of Earth's heat
The heat content of the oceans is growing and growing. That means that the greenhouse effect has not taken a pause and the cold sun is not noticeably slowing global warming.
source
Sea levels have risen ~8 inches since 1901, and are rising 0.1 inches per year
source
Sea levels rise due to thermal expansion of water
Yes, there is strong evidence that global sea level gradually rose in the 20th century and is currently rising at an increased rate, after a period of little change between AD 0 and AD 1900. Sea level is projected to rise at an even greater rate in this century. The two major causes of global sea level rise are thermal expansion of the oceans (water expands as it warms) and the loss of land-based ice due to increased melting.
source
Melting ice on land contributes to sea level rise (not melting sea ice)
There are two warnings about melting ice and rising oceans: one is by land, the other, by sea. But it’s ice sheets on land, not icebergs in the ocean, that are the biggest contributors to sea level rise.
source
Oceans could hit pH 7.8 in 100 years
Since the beginning of the Industrial Revolution, when humans began burning coal in large quantities, the world’s ocean water has gradually become more acidic. Like global warming, this phenomenon, which is known as ocean acidification, is a direct consequence of increasing levels of carbon dioxide (C - See more at: www.whoi.edu...
www.whoi.edu...
Melting sea ice increases heat absorbed by oceans, which causes a feed-forward cycle
The Arctic sea ice retreat has been one of the most dramatic climate changes in recent decades. Nearly 50 y ago it was predicted that a darkening of the Arctic associated with disappearing ice would be a consequence of global warming. Using satellite measurements, this analysis directly quantifies how much the Arctic as viewed from space has darkened in response to the recent sea ice retreat. We find that this decline has caused 6.4 ± 0.9 W/m2 of radiative heating since 1979, considerably larger than expectations from models and recent less direct estimates. Averaged globally, this albedo change is equivalent to 25% of the direct forcing from CO2 during the past 30 y.
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Solar activity and temperature show opposite trends in recent decades
Here we show that over the past 20 years, all the trends in the Sun
that could have had an influence on the Earth’s climate have been in the opposite
direction to that required to explain the observed rise in global mean temperatures.
originally posted by: Hellhound604
Sorry OP, but I dont think any evidence will change the mind of the deniers. It is the same aevolution, no matter how much hard evidence you lie on the table, the evolution-denialists will not accept. I have long ago stopped trying to convince the deniers.
Svante Arrhenius (1859-1927) was a Swedish scientist that was the first to claim in 1896 that fossil fuel combustion may eventually result in enhanced global warming. He proposed a relation between atmospheric carbon dioxide concentrations and temperature. He found that the average surface temperature of the earth is about 15oC because of the infrared absorption capacity of water vapor and carbon dioxide. This is called the natural greenhouse effect. Arrhenius suggested a doubling of the CO2 concentration would lead to a 5oC temperature rise. He and Thomas Chamberlin calculated that human activities could warm the earth by adding carbon dioxide to the atmosphere.source
originally posted by: Hellhound604
Sorry OP, but I dont think any evidence will change the mind of the deniers. It is the same aevolution, no matter how much hard evidence you lie on the table, the evolution-denialists will not accept. I have long ago stopped trying to convince the deniers.
originally posted by: openeyeswideshut
If you took the time to look at the links you would realize that the sea levels would rise by 6-16 inches in the next 35 years.
originally posted by: openeyeswideshut
a reply to: buddah6
I will never deny that there are those who will use climate change for there own selfish gain. Selfish people will always lie. It is a constant recurrence within human history, but you cannot use that as evidence that the information provided by scientists is not accurate.
As far as initial science is concerned you could look towards Svante Arrhenius. He was one of the first to predict that global warming could be a man made thing in 1896, almost a full one hundred years before Micheal Mann.
Svante Arrhenius (1859-1927) was a Swedish scientist that was the first to claim in 1896 that fossil fuel combustion may eventually result in enhanced global warming. He proposed a relation between atmospheric carbon dioxide concentrations and temperature. He found that the average surface temperature of the earth is about 15oC because of the infrared absorption capacity of water vapor and carbon dioxide. This is called the natural greenhouse effect. Arrhenius suggested a doubling of the CO2 concentration would lead to a 5oC temperature rise. He and Thomas Chamberlin calculated that human activities could warm the earth by adding carbon dioxide to the atmosphere.source
As for your belief that global warming is "declared pseudo science" I implore you to read through some of the studies in the OP, and not simply post why you don`t believe in science.
As for your property, you should make it somewhere other than the state that will be underwater in 60 years......