- About
- The Science
- CLIVAR Frontiers and Imperatives
- Frontier 1: Anthropogenic Climate Change
- Frontier 2: Decadal variability, predictability and prediction
- Frontier 3: Intra-seasonal and seasonal predictability and prediction
- Imperative 1: Improved atmosphere and ocean component models of Earth System Models
- Imperative 2: Data synthesis, analysis, reanalysis and uncertainty
- Imperative 3: Ocean observing system
- Imperative 4: Capacity building
- CLIVAR Endorsed Projects & Activities
- CLIVAR Objectives
- CLIVAR Successes
- CLIVAR Frontiers and Imperatives
- Panels and Working Groups
- Global
- PAGES/CLIVAR Intersection Working Group
- CCl/CLIVAR/JCOMM Expert Team on Climate Change Detection and Indices (ETCCDI)
- Global Synthesis and Observations Panel (GSOP)
- WGCM/CLIVAR Working Group on Ocean Model Development (WGOMD)
- Working Group on Seasonal to Interannual Prediction
- Working Group on Coupled Modelling (WGCM)
- Regional
- National Programmes
- Global
- Extremes Cross-Cut
- Calendar
- Resources
- Publications
The IPCC WG1 Summary for Policymakers has been published (09 February 2007)
On 02 February 2007, the Working Group 1 (WG1) of the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment has published its Summary for Policymakers. The WG1 contribution describes progress in understanding of the human and natural drivers of climate change1, observed climate change, climate processes and attribution, and estimates of projected future climate change.









