Tag Archive | "fifth assessment report"

Chinese climate scientist awarded the Volvo Environment Prize

Dr Qin Dahe, Chinese glaciologist and climate scientist, has been awarded this year’s Volvo Environment Prize. The award winner is a key contributor to the fifth assessment report from the UN climate panel (IPPC), whose first section, the “Physical Science Basis”, was released in September.

He attracted wide attention last year with a report on how climate change leads to more extreme weather events. It was the first report to show scientifically what many had already suspected, that extreme weather and climate phenomena have become more frequent over the last 50 years. The findings gained wide currency since they showed a clear connection between climate change and periods of extreme conditions, such as extended droughts and heat waves, but also torrential storms and rain in other regions. In its citation for this year’s Volvo Environment Prize laureate, the Award Jury calls the report “a game-changer”. In the words of the Jury, “the report demonstrated for the first time a clear link between climate change and many extreme events, an issue of immediate relevance for human well-being in many parts of the world”.

Dr Qin Dahe hopes that the scientific evidence in the fifth assessment report from the UN climate panel will be enough to lead to a breakthrough in global climate negotiations.

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Ocean to be massively damaged by 2100

By the year 2100, about 98% of the oceans will be affected by acidification, warming temperatures, low oxygen, or lack of biological productivity, and most areas will be hit by a multitude of these stressors, finds a new study of the impacts of climate change on the world’s ocean systems.

These biogeochemical changes triggered by human-generated greenhouse gas emissions will not only affect marine habitats and organisms, but will often also occur in areas that are heavily used by humans, concludes the international team of 28 scientists.

Lead author Camilo Mora, an assistant professor at the Department of Geography at the University of Hawaii, and Craig Smith with U-H Manoa’s School of Ocean and Earth Science and Technology worked with a 28-person international collaboration of climate modelers, biogeochemists, oceanographers, and social scientists to develop the study, which is published in the scientific journal “PLOS Biology.”

The human ramifications of these changes are likely to be massive and disruptive, the scientists predict. Food chains, fishing, and tourism could all be impacted.

The study shows that some 470 to 870 million of the world’s poorest people rely on the ocean for food, jobs, and revenues, and live in countries where ocean goods and services could be compromised by multiple ocean biogeochemical changes.

The researchers used the most recent and robust models of projected climate change developed for the Fifth Assessment Report of the Intergovernmental Panel on Climate Change to inform their analysis.

 

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