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Expert Links on Climate Change

2. What causes this climate change?

2.1. Are human activities modifying the atmosphere?

See IPCC Third Assessment Report of Working Group 1:

2.1.1. Are human activities increasing greenhouse gases concentrations?

See IPCC Third Assessment Report of Working Group 1:

Non-CO2 greenhouse gases

2.1.2. Are human activities increasing aerosols concentrations?

See IPCC Third Assessment Report of Working Group 1:

  • Chapter 5.2  : Sources and Production Mechanisms of Atmospheric Aerosols
  • Chapter 5.5.4  : Linkage to Other Issues and Summary
  • Chapter 5.1  : Aerosols, their Direct and Indirect Effects
  • Chapter 5.2  : Sources and Production Mechanisms of Atmospheric Aerosols
  • Chapter 6.7  : The Direct Radiative Forcing of TropA? ospheric Aerosols
  • Chapter 5.3.2  : Observational Support for Indirect Forcing
  • Chapter 5.4.3  : Modelling the Indirect Effect of Aerosols on Global Climate Forcing
  • Chapter 6.8  : The Indirect Radiative Forcing of Tropospheric Aerosols

2.1.3. What is the effect of natural factors?

See IPCC Third Assessment Report of Working Group 1:

2.2. How well is climate change understood?

2.2.1. Can the climate be simulated by computer models?

See IPCC Third Assessment Report of Working Group 1:

2.2.2. What further research is needed?

See IPCC Third Assessment Report of Working Group 1:

2.3. To what extent is climate change due to human activate?

See IPCC Third Assessment Report of Working Group 1:

Contributors: IPCC references come from
IPCC WG I SPM ,
other references are selected by GreenFacts

Related publication:
Climate Change (2001) homeClimate Change 2001 Assessment
Other Figures & Tables on this publication:

Adaptive Capacity, Vulnerability, and Key Concerns by Region

Facts on environmental matters

Table SPM.1 Estimates of potential global greenhouse gas emission reductions in 2010 and in 2020

The Emissions Scenarios from the Special Report on Emissions Scenarios (SRES)

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Other views on Climate Change

Footnotes for the Summary for Policymakers of IPCC Working Group III

Footnotes for Table 1 of IPCC SPM WG II

Footnotes for the Summary for Policymakers of IPCC Working Group 1

Footnotes for the Summary for Policymakers of IPCC Working Group II

Variations of the Earth's surface temperature for :

Indicators of the human influence on the atmosphere during the Industrial Era

The global mean radiative forcing of the climate system for the year 2000, relative to 1750

Simulated annual global mean surface temperatures

The global climate of the 21st Century

Documented Climate Change Impacts

Figure SPM-2 - Reasons for Concern

Figure SPM-3 - Projected Changes in Annual Runoff

Carbon in Oil, Gas and Coal Reserves Compared with Historic Fossil Fuel Carbon Emissions (in gigatonnes)

Footnotes to Table SPM-1 (Question 6.2.2)

Figure 8.1 Precipitation

Figure 8.2 Hurricanes

Schematic of observed variations of the temperature indicators / the hydrological and storm-related indicators

Many external factors force climate change

The annual mean change of the temperature (colour shading) and its range (isolines)

Analysis of inter-model consistency in regional relative warming

GCRIO

UNFCCC

Pew Climate

NCDC

Climate Ark

Climatic Research Unit

CICERO

World Business Council for Sustainable Development

Expert Links on Climate Change