Novel data from the Artic and The North is needed to understand the changing climate. European, Russian and Chinese scientific leaders and researchers in climate issues gathered only recently in Helsinki, Finland for a conference on the Pan-Eurasian Experiment (PEEX).
Sitting in traffic during rush hour is not just frustrating for drivers; it also adds unnecessary greenhouse gas emissions to the atmosphere.
Cold snaps like the ones that hit the eastern United States in the past winters are not a consequence of climate change. Scientists at ETH Zurich and the California Institute of Technology have shown that global warming actually tends to reduce temperature variability.
Natural wetlands usually emit methane and sequester carbon dioxide. Anthropogenic interventions, in particular the conversion of wetlands for agriculture, result in a significant increase in CO2 emissions, which overcompensate potential decreases in methane emission.
Drainage and management of pristine peatlands increase greenhouse gas emissions into the atmosphere. A recent study, based on a new, wide data set collected from northern peatlands indicates that particularly those peatlands which have been taken into agricultural use have significant warming impact on climate.
To combat global climate change caused by greenhouse gases, alternative energy sources and other types of environmental recourse actions are needed. There are a variety of proposals that involve using vertical ocean pipes to move seawater to the surface from the depths in order to reap different potential climate benefits.
The sea level has been rising by an average of 3.1 millimetres a year since 1993. Long-term measurements recorded since the start of the 20th century indicate an acceleration in the averaged sea level change.
Large-scale climate patterns that affect the Pacific Ocean indicate that waters off the West Coast have shifted toward warmer, less productive conditions that may affect marine species from seabirds to salmon, according to the 2015 State of the California Current Report delivered to the Pacific Fishery Management Council.
"Warmer air transports more moisture and hence produces more precipitation - in cold Antarctica this takes the form of snowfall," lead author Katja Frieler from the Potsdam Institute for Climate Impact Research (PIK) explains.
Storm activity in large parts of the US, Europe and Russia significantly calmed down during summers over the past decades, but this is no good news. The weakening of strong winds associated with the jetstream and weather systems prolongs and hence intensifies heat extremes like the one in Russia in 2010 which caused devastating crop failures and wildfires. This is shown in a study to be published in the renowned journal Science by a team of researchers from the Potsdam Institute for Climate Impact Research. They link the findings to changes in the Arctic caused by man-made global warming.
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