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Uncertainty and risk in climate projections for the 21st century

There are by now many studies on estimation of uncertainty of climate system properties and model parameters but still only few on probabilistic climate projections. Moreover, most of these studies…

Impact of future land use and land cover changes on atmospheric chemistry‐climate interactions

To demonstrate potential future consequences of land cover and land use changes beyond those for physical climate and the carbon cycle, we present an analysis of large-scale impacts of land cover and…

The Emissions Gap Report: Are the Copenhagen Accord Pledges Sufficient to Limit Global Warming to 2 °C or 1.5 °C?

It is estimated that, in order to have a likely chance (over 66%) of limiting global mean temperature increase to 2 °C, annual greenhouse gas emissions need to stay around 44 gigatonnes, by 2020. If…

Assessing 20th century climate–vegetation feedbacks of land-use change and natural vegetation dynamics

This study describes the coupling of the dynamic global vegetation model (DGVM), Lund–Potsdam–Jena Model for managed land (LPJmL), with the general circulation model (GCM), Simplified…

A quantitative minimax regret approach to climate change: Does discounting still matter?

Integrated assessment models have been widely used to inform policymakers about attractive climate response strategies. An important application of integrated assessment models is cost-benefit…

Policy research programme on particulate matter. Main results and policy consequences

Recent research has clarified a number of facts about particulate matter in the atmosphere and has overturned a number of assumptions. For example, it is now clear that a much greater proportion of…

How to deal with indirect land-use change in the EU Renewable Energy Directive?

Biofuels based on agricultural crops have the risk of causing indirect land use change with substantial greenhouse gas emissions. European policy to stimulate innovative solutions without these…

What do near-term observations tell us about long-term developments in greenhouse gas emissions

Long-term scenarios developed by integrated assessment models are used in climate research to provide an indication of plausible long-term emissions of greenhouse gases and other radiatively active…

Research priorities in land use and land-cover change for the Earth system and integrated assessment modelling

This special issue has highlighted recent and innovative methods and results that integrate observations and modelling analyses of regional to global aspect of biophysical and biogeochemical…

Application of the IPCC uncertainty methods to EDGAR 4.1 global greenhouse gas inventories

The global greenhouse gas emission inventory EDGAR 4.1 for the period 1970-2005 was developed using international statistics and default methods and default emission factors from the latest 2006 IPCC…