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The impacts of climate change on natural methane (CH4) emissions via ebullition are unclear. Here, using published and experimental multi-seasonal CH4 ebullition data, the authors find a strong relationship between CH4 ebullition and temperature across a wide range of freshwater ecosystems globally.
Limitations with climate models have previously prevented accurate diagnosis of future changes in mesoscale convective systems (MCSs). A convection-permitting model now indicates that summer MCSs will triple by 2100 in the United States, with a corresponding increase in rainfall rates and areal extent.
Storms are not only generated at higher latitudes, they also travel further in a warmer climate, according to analyses of climate model output with a storm-tracking algorithm. The larger travel distance is attributed to stronger upper-level winds and increased atmospheric water vapour.
Post-monsoon season severe cyclonic storms were first observed over the Arabian Sea in 2014 and 2015. Highresolution modelling reveals their increased frequency can be attributed to anthropogenic forcing, and not natural variability.
Higher air temperatures cause roadway surfaces to deteriorate more rapidly. Now research suggests that adapting design and material selection procedures to use future climate information can dramatically decrease the damage and ensuing repair cost.