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Previous research has examined temperature-related excess deaths or mortality risks. A study now uses years of life lost to provide a new measure of the impact of temperature on mortality, and finds an increase in the years of life lost for cold and hot temperatures. The loss will greatly increase further if future temperature rise goes beyond 2 °C above pre-industrial levels.
A study of two species of coral reef fish demonstrates that the anticipated increase in atmospheric carbon dioxide directly interferes with neurotransmitter function in their larvae, a hitherto unrecognized problem for marine fishes.
Focusing on mountain plant communities across Europe, a study shows that ongoing climate change causes a gradual decline in cold-adapted species and a corresponding increase in warm-adapted species, which could be an early sign that mountain plant diversity is at risk.
An analysis of annual variations in ecological community composition in several thousand plots distributed across Europe over two decades reveals that European birds and butterflies do not keep up with temperature increase and that climate change is resulting in rapid de-synchronization of the two groups at a continental scale.
A study finds tension between mitigating sea-level rise and reducing the rate of temperature change through solar-radiation management. The rapid warming that would occur if solar-radiation management were to be phased out is shown to depend critically on timescales, potentially committing future generations to its long-term use once started.
Global climate models cannot resolve hailstorms explicitly, so it is unclear whether a warmer climate will change hailstorm frequency and intensity. Now a study using high-resolution model simulations capable of resolving hail indicates the near-elimination of hail at the surface in future simulations for Colorado—a major centre of hailstorms in the United States.
This study combines previous work on quantifying the greenhouse gas value of ecosystems with models of the effects of biophysical processes to produce an integrated metric of climate-regulation services. The approach is used to quantify climate-regulation values of natural and managed ecosystems across the Western Hemisphere.
A long-term field study establishes a link between reduced snowfall and bird and tree declines in montane Arizona. Excluding elk from experimental sites reversed these declines and also lowered nest predation. This experiment shows that climate change, operating through increased winter herbivory, can negatively affect diverse species occupying such ecosystems.
