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Scenario analyses suggest that negative emissions technologies (NETs) are necessary to limit dangerous warming. Here the authors assess the biophysical limits to, and economic costs of, the widespread application of NETs.
Two competing theories suggest that Arctic communities are either highly vulnerable to climate change, or demonstrate significant adaptive capacity. A review of the research shows that the challenge of Arctic adaptation is formidable, but can be overcome.
This Review considers recent advances in our understanding of regional climate change, critically discusses outstanding issues, and recommends targets for future research.
Water, energy and food security in southern Africa are interdependent and exposed to the climate. This Review considers the extent to which spatial and sectoral interdependencies can be, and are being, considered.
This Review looks at the state of knowledge on the El Niño/Southern Oscillation (ENSO), a natural climate phenomenon. It discusses recent advances and insights into how climate change will affect this natural climate varibility cycle.
Understanding past climate should help reduce uncertainties in projections of future climate. This Review of palaeosimulation evaluations suggests that existing models capture broad patterns of climate change, but that further improvement is needed.
Policies aimed at mitigating climate change, adapting to it and minimizing its impacts must take into account human behaviours and motivations. Psychology can therefore inform efforts to address climate change, but further research is required.
In this Review, temperature trends in mountainous regions around the world and the mechanisms that contribute to elevation-dependent warming are discussed.
Several approaches are used to assess species’ vulnerability to climate change. Identifying the strengths and weaknesses of such methods should help conservationists minimize biodiversity losses.