Due to overwhelming demand from the members of the Flat Earth Society....
The UK Met Hadley Center – the UK’s preeminent scientific institution on climate science -, and other highly reputable scientific institutions, answer the questions of the JPP.com Flat Earth Society….
“It was like really HOT, like 60 million years ago! Isn’t the climate always changing?”
Yes. There is natural variability in Earth’s climate but the current climate change is very unusual as it is not exclusively part of a natural cycle.
Natural factors include volcanic eruptions, aerosols and phenomena such as El Niño and La Niña (which cause warming and cooling of the Pacific Ocean surface). Natural climate variations can lead to periods with little or no warming, both globally and regionally, and other periods with very rapid warming. However, there is an underlying trend of warming that is almost certainly caused by man’s activities.
”Aren’t all these changes down to the Sun and natural factors?”
No. Many factors contribute to climate change. Only when all the factors are considered can we explain the size and patterns of climate change over the last century.
Although some people claim that the Sun and cosmic rays are responsible for climate change, measured solar activity shows no significant change in the last few decades, while global temperatures have increased significantly. Since the Industrial Revolution, additional greenhouse gases have had about ten times the effect on climate as changes in the Sun’s output.
Much of the relatively small climate variability over the last 1,000 years, but before industrialisation, can be explained by changes in solar output and occasional cooling due to major volcanic eruptions. Since industrialisation, CO2 has increased significantly. We now know that man-made CO2 is the likely cause of most of the warming over the last 50 years.
”Right wing blogs tell me Climate scientists are LYING! Do climate scientists really agree about climate change? “
No. Many factors contribute to climate change. Only when all the factors are considered can we explain the size and patterns of climate change over the last century.
Although some people claim that the Sun and cosmic rays are responsible for climate change, measured solar activity shows no significant change in the last few decades, while global temperatures have increased significantly. Since the Industrial Revolution, additional greenhouse gases have had about ten times the effect on climate as changes in the Sun’s output.
Much of the relatively small climate variability over the last 1,000 years, but before industrialisation, can be explained by changes in solar output and occasional cooling due to major volcanic eruptions. Since industrialisation, CO2 has increased significantly. We now know that man-made CO2 is the likely cause of most of the warming over the last 50 years.
http://www.justplainpolitics.com/showpost.php?p=678999&postcount=1
"I listen to the Glenn Beck show, and surely, the impact of human activity is small? !!”
No. Greenhouse gases are produced naturally and commercially. Both types influence climate change.
All the greenhouse gases combined (the main ones being water vapour, CO2, methane and nitrous oxide) are only a tiny part of the atmosphere, making up less than 0.5%. Yet it is scientifically proven that these gases trap heat, keeping the planet 30 °C warmer than it would be otherwise and able to sustain life. Any changes in the levels of these gases, such as those recently brought about by human activity, will have a significant effect on global temperatures.
Keeping the climate stable is important for the well-being of the Earth. But there is now very strong evidence that man-made greenhouse gases are causing climate change.
”I read on a rightwing blog that global warming has stopped! Has global warming now stopped?
No. The rise in global surface temperature has averaged more than 0.15 °C per decade since the mid-1970s. The 10 warmest years on record have occurred since 1997. Global warming does not mean that each year will necessarily be warmer than the last because of natural variability, but the long-term trend is for rising temperatures. The warmth of the last half century is unprecedented in, at least, the previous 1,300 years.
http://www.metoffice.gov.uk/climatechange/guide/quick/doubts.html
”Didn’t the International Panel on Climate Change LIE?!!! Isn’t the IPCC 2007 assesment TOTAL crap?!!
No. The IPCC findings in 2007, have subsequently been independently validated and corroborated my the United State’s premier scientific institutions, the Dutch government, and by preeminent British scientific institutions
http://www.justplainpolitics.com/showpost.php?p=678261&postcount=1
”I think five investigations on Climate Gate(!) which vindicated the scientists are wrong! These five investigations are clearly LYING and COVERING UP for the scientists!”
Sadly, no one can help you, or prevent you from being a conspiracy theory nutjob, or a misinformed boob.
http://www.justplainpolitics.com/showpost.php?p=676083&postcount=1
The UK Met Hadley Center – the UK’s preeminent scientific institution on climate science -, and other highly reputable scientific institutions, answer the questions of the JPP.com Flat Earth Society….
“It was like really HOT, like 60 million years ago! Isn’t the climate always changing?”
Yes. There is natural variability in Earth’s climate but the current climate change is very unusual as it is not exclusively part of a natural cycle.
Natural factors include volcanic eruptions, aerosols and phenomena such as El Niño and La Niña (which cause warming and cooling of the Pacific Ocean surface). Natural climate variations can lead to periods with little or no warming, both globally and regionally, and other periods with very rapid warming. However, there is an underlying trend of warming that is almost certainly caused by man’s activities.
”Aren’t all these changes down to the Sun and natural factors?”
No. Many factors contribute to climate change. Only when all the factors are considered can we explain the size and patterns of climate change over the last century.
Although some people claim that the Sun and cosmic rays are responsible for climate change, measured solar activity shows no significant change in the last few decades, while global temperatures have increased significantly. Since the Industrial Revolution, additional greenhouse gases have had about ten times the effect on climate as changes in the Sun’s output.
Much of the relatively small climate variability over the last 1,000 years, but before industrialisation, can be explained by changes in solar output and occasional cooling due to major volcanic eruptions. Since industrialisation, CO2 has increased significantly. We now know that man-made CO2 is the likely cause of most of the warming over the last 50 years.
”Right wing blogs tell me Climate scientists are LYING! Do climate scientists really agree about climate change? “
No. Many factors contribute to climate change. Only when all the factors are considered can we explain the size and patterns of climate change over the last century.
Although some people claim that the Sun and cosmic rays are responsible for climate change, measured solar activity shows no significant change in the last few decades, while global temperatures have increased significantly. Since the Industrial Revolution, additional greenhouse gases have had about ten times the effect on climate as changes in the Sun’s output.
Much of the relatively small climate variability over the last 1,000 years, but before industrialisation, can be explained by changes in solar output and occasional cooling due to major volcanic eruptions. Since industrialisation, CO2 has increased significantly. We now know that man-made CO2 is the likely cause of most of the warming over the last 50 years.
http://www.justplainpolitics.com/showpost.php?p=678999&postcount=1
"I listen to the Glenn Beck show, and surely, the impact of human activity is small? !!”
No. Greenhouse gases are produced naturally and commercially. Both types influence climate change.
All the greenhouse gases combined (the main ones being water vapour, CO2, methane and nitrous oxide) are only a tiny part of the atmosphere, making up less than 0.5%. Yet it is scientifically proven that these gases trap heat, keeping the planet 30 °C warmer than it would be otherwise and able to sustain life. Any changes in the levels of these gases, such as those recently brought about by human activity, will have a significant effect on global temperatures.
Keeping the climate stable is important for the well-being of the Earth. But there is now very strong evidence that man-made greenhouse gases are causing climate change.
”I read on a rightwing blog that global warming has stopped! Has global warming now stopped?
No. The rise in global surface temperature has averaged more than 0.15 °C per decade since the mid-1970s. The 10 warmest years on record have occurred since 1997. Global warming does not mean that each year will necessarily be warmer than the last because of natural variability, but the long-term trend is for rising temperatures. The warmth of the last half century is unprecedented in, at least, the previous 1,300 years.
http://www.metoffice.gov.uk/climatechange/guide/quick/doubts.html
”Didn’t the International Panel on Climate Change LIE?!!! Isn’t the IPCC 2007 assesment TOTAL crap?!!
No. The IPCC findings in 2007, have subsequently been independently validated and corroborated my the United State’s premier scientific institutions, the Dutch government, and by preeminent British scientific institutions
http://www.justplainpolitics.com/showpost.php?p=678261&postcount=1
”I think five investigations on Climate Gate(!) which vindicated the scientists are wrong! These five investigations are clearly LYING and COVERING UP for the scientists!”
Sadly, no one can help you, or prevent you from being a conspiracy theory nutjob, or a misinformed boob.
http://www.justplainpolitics.com/showpost.php?p=676083&postcount=1
