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This study—based on systematic testing of 30 different wheat crop models against field experiments—shows that many wheat models simulate yields well, but with reduced accuracy at higher temperatures. Extrapolation of the model ensemble response indicates that global wheat production will fall by 6% for each 1 °C increase in temperature.
Barrier islands represent about 10% of the world’s coastline and perform many services including coastal protection. A study now shows that islands exhibit a bistable response to environmental change. Improved understanding of these mechanisms can help to predict future transitions in barrier island state.
The viability of Pacific salmon populations could be compromised by the effects of climate change given their limited ability to adapt to increased temperatures.
Constraining climate sensitivity is a top priority for climate science. Now research shows that the details of how stratospheric ozone is represented in models can have a strong influence on warming projections.
The ocean is a difficult environment to study due to its vast, remote regions. Climate change is impacting on marine biology and we need to better understand how this will manifest.
The chinese carbon market is up and running, but private finance has not been fully utilized. Finance-friendly policies are needed to help the world's largest greenhouse-gas emitter to harness market forces for climate change mitigation.
Climate change is full of uncertainty and the messengers of climate science are not getting the uncertainty narrative right. To communicate uncertainty one must first understand it, and then avoid repeating the mistakes of the past.
Global models highlight that environmental change in marine ecosystems is caused by multiple stressors. Now a study puts these projections into a biogeographical framework suitable for integration with wider biological understanding and more robust impact assessment.
Emissions pledges from the United States and China have re-energized the push for a global climate agreement. Anna Petherick considers how serious the promises are.
A sustainable global ocean observation system requires timely implementation of the framework for ocean observing. The recent Qingdao Global Ocean Summit highlighted the need for a more coherent institutional response to maintain an integrated ocean-observing system.
Focusing on policies and effort costs rather than emissions may facilitate climate negotiations and improve the chances of reaching a successful agreement. The effort costs of a country comprise investments in low-carbon technologies, in addition to direct mitigation costs.
The impacts of extreme events are triggering action and reaction — sometimes in unexpected ways. Confronted by 'adaptation emergencies', the private sector is rapidly innovating climate risk management, but governments must also fulfil their responsibilities.
Those concerned with human responses to climate-related impacts increasingly use resilience as a framing concept. This Perspective critiques dominant approaches to resilience building and advocates a human livelihoods-based path.
Tropical forests provide many ecosystem and climatic services. This Review provides a synthesis of the effects of tropical deforestation on climate and implications for agriculture, both in the tropics and worldwide.
