Prof. Hong Yan praised the IPCC’s latest body of work on the impacts of climate change on water, saying it reinforced the need for countries, particularly in the developing world, to strengthen the monitoring and observational capacities of their National Meteorological and Hydrological Services.
“The key IPCC messages have now been widely publicized with the support of many nations and of the United Nations, and serve as the basis for an international mobilization in the domain of climate change,” Prof. Hong Yan said in a speech to the Opening Plenary of the two-day 28th Session of the IPCC being held in Budapest, Hungary.
The IPCC was co-established by WMO and the United Nations Environment Programme in 1988, and the Panel’s efforts have become the benchmark for understanding the state of our planet’s changing climate. Its scientists were recognised for their work in 2007 when the IPCC was awarded the Nobel Peace Prize.
“WMO has been pleased to co-sponsor the IPCC with UNEP, and is thoroughly committed to assisting the Panel in maintaining its scientific credibility and facilitating the increasing involvement of scientists from both developed and developing countries to meet the challenges of global climate change, which are among the defining challenges of the 21st century;” he said.
The IPCC’s newly released Technical Paper on climate change and water is an important addition to the 4th IPCC Assessment Report, Prof. Hong Yan added.
“This is an area of particular societal importance that covers a number of WMO’s priority activities,” he said. “This paper emphasizes the link between global warming and large-scale changes in the hydrological cycle, including changing precipitation patterns, intensities and extremes, the reduction of snow cover over continents and ice cover over the oceans, the melting of continental ice, and changes in soil moisture and run-off including the occurrence and intensity of droughts. All these aspects of the climate system are central to WMO’s expertise and these results highlight the need to further support research and observations.”
WMO has been the principal provider of the scientific and technical information that underpins IPCC assessments through the long-term and user-driven operational systems developed by WMO and its Members. WMO programmes, such as the World Weather Watch Programme and the World Climate Programme, provide the framework for the scientific research assessed in the context of the IPCC reports, including the WMO co-sponsored World Climate Research Programme and Global Climate Observing System.
Paul Garwood | alfa
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Controlling electronic current is essential to modern electronics, as data and signals are transferred by streams of electrons which are controlled at high speed. Demands on transmission speeds are also increasing as technology develops. Scientists from the Chair of Laser Physics and the Chair of Applied Physics at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have succeeded in switching on a current with a desired direction in graphene using a single laser pulse within a femtosecond ¬¬ – a femtosecond corresponds to the millionth part of a billionth of a second. This is more than a thousand times faster compared to the most efficient transistors today.
Graphene is up to the job
At the productronica trade fair in Munich this November, the Fraunhofer Institute for Laser Technology ILT will be presenting Laser-Based Tape-Automated Bonding, LaserTAB for short. The experts from Aachen will be demonstrating how new battery cells and power electronics can be micro-welded more efficiently and precisely than ever before thanks to new optics and robot support.
Fraunhofer ILT from Aachen relies on a clever combination of robotics and a laser scanner with new optics as well as process monitoring, which it has developed...
Plants and algae use the enzyme Rubisco to fix carbon dioxide, removing it from the atmosphere and converting it into biomass. Algae have figured out a way to increase the efficiency of carbon fixation. They gather most of their Rubisco into a ball-shaped microcompartment called the pyrenoid, which they flood with a high local concentration of carbon dioxide. A team of scientists at Princeton University, the Carnegie Institution for Science, Stanford University and the Max Plank Institute of Biochemistry have unravelled the mysteries of how the pyrenoid is assembled. These insights can help to engineer crops that remove more carbon dioxide from the atmosphere while producing more food.
A warming planet
Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
The researchers report online in Nature (Schmidt et al., 2017. Axonal synapse sorting in medial entorhinal cortex, DOI: 10.1038/nature24005) that synapses in...
Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a...
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