Solar Activity Not Causing Warming

Meteorological Institute, Oslo, Norway
Lead author: R. E. Benestad
Where published: American Geophysical Union

no indication of a systematic trend in the level of solar activity that can explain the most recent global warming

abstract

Glacier Retreat

British Antarctic Survey, U.S. Geological Survey
Lead author: Alison Cook
Where published: Science Magazine

over the last 50 years 87% of 244 glaciers studied have retreated, and that average retreat rates have accelerated
article

Anthropogenic Ocean Warming

Scripps Institute of Oceanography, Livermore Labratories
Lead authors: Tim Barnett, David Pierce

results clearly indicate that the warming is produced anthropogenically ... The statistical significance of these results is far too strong to be merely dismissed and should wipe out much of the uncertainty about the reality of global warming.
article

Kilimanjaro Glaciers Retreating

Ohio State University
Lead author: Lonnie Thompson

Five years after warning that the famed ice fields on Tanzania 's Mount Kilimanjaro may melt, Ohio State University researchers have sadly found that their prediction is coming true.

“The change there is so dramatic,” he [Lonnie Thompson] said. “We can see it both in the field and from aerial photographs of the mountaintop. I would say it is on track to disappear, and the rate of ice loss may even be accelerating.
article

Warming Not From Urban Heat Islands

Hadley Centre
Lead author: David Parker
Where published: Nature

large-scale global warming is not a result of urban development... Measurements of night-time air temperature, averaged across a number of weather stations worldwide, show a rate of warming of around 0.19 °C per decade during the period 1950-2000. This rate is the same for calm conditions as it is for windy.
article

Arctic Climate Impact Assessment

Arctic Council

Ice cores and other evidence of climate conditions in the distant past provide evidence that rising atmospheric carbon dioxide levels are associated with rising global temperatures. Human activities, primarily the burning of fossil fuels, and secondarily clearing of land, have increased the concentration of carbon dioxide, methane, and other heat-trapping ("greenhouse") gases in the atmosphere.

study

Solar Variability Unlikely Caused Recent Warming

Max Planck Institute, U. Oulu
Lead Authors: S. K. Solanki, I. G. Usoskin
Where published: Nature

Solar variability is unlikely to have been the dominant cause of the strong warming during the past three decades

Study

Greenhouses Gases Explain Recent Warming

Hadley Centre
Lead authors: Peter Stott, Gareth Jones, John Mitchell

results confirm previous analyses showing that greenhouse gas increases explain most of the global warming observed in the second half of the twentieth century

study

Warming Arctic Temperature

NASA Goddard Center
Author: Josefino C. Comiso
Where published: Journal of Climate

twenty-year record of space based measurements has been analyzed by researchers at NASA's Goddard Space Flight Center. Based on their findings, evidence of a warming planet continues to grow
article

IPCC 2001 Report

Intergovernmental Panel on Climate Change

Emmissions of greenhouse gases and aerosols due to human activities continue to alter the atmosphere in ways that are expected to alter the climate
article

Human Induced Ocean Warming

National Oceanic & Atmospheric Administration, Geophysical Fluid Dynamics Laboratory, National Ocean Data Center, Air Resources Laboratory
Lead author: Syd Levitus
Where published: Science Magazine

The ocean has become warmer in the last 50 years and that warming is likely due to human-induced causes such as increases in atmospheric greenhouse gases
article

Greenhouse Gases Anthropogenic

US Dept of Energy, Livermore Labs
Lead author: Benjamin Santer

identified the anthropogenic "fingerprint" of climate change that took into account the confounding effects of natural variations
...
hard evidence that human activities have global-scale consequences
article

Ocean Warmed Significantly

NOAA
Lead author: Sydney Levitus
Where published: Science

World ocean has warmed significantly during the past 40 years... Our results support climate modeling predictions that show increasing atmospheric greenhouse gases will have a relatively large warming influence on the earth's atmosphere.

article

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