The CDER takes part in the approval of the special report of the UN Panel on climate change (IPCC) on the consequences of global warming of 1.5 ° C compared to the pre-industrial era.
The Director of the Renewable Energies Development Center, Prof. Noureddine Yassaa, participates, in his capacity as Vice-Chairman of Working Group 1 of the UN expert group on climate Panel (IPCC: Intergovernmental Panel on Climate Change), in Incheon, South Korea, at the session devoted to the approval of the special IPCC report on the impacts of global warming of 1.5 ° C compared to the pre-industrial period.
The summary for decision makers was approved on Saturday October 6, 2018 by 196 IPCC member countries. This report, entitled "1.5 ° C global warming, IPCC special report on the consequences of 1.5 ° C global warming compared to pre-industrial levels and related profiles of evolution of global greenhouse gas emissions effect, in the context of strengthening the global climate change parade, sustainable development and the fight against poverty ", shows that it is still possible to limit global warming to 1.5 ° C, provided to operate an unprecedented, rapid and profound multisectoral transition.
Limiting global warming to 1.5 ° C instead of 2 ° C would allow better resilience to climate upheavals and would allow populations and ecosystems to adapt and stay below the relevant risk thresholds.
This report shows that the impacts of global warming to 1.5 ° C will be perceptible as the accentuation of extreme climatic events, torrential rains, rising sea levels, the decrease in Arctic sea ice, drought, heat waves. , ... and they will be more accentuated at 2 ° C.
The report highlights a number of consequences of climate change that could be avoided if warming were limited to 1.5 ºC instead of 2 ºC or more. Thus, by 2100, the level of the sea on the scale of the planet would be, if the warming were limited to 1.5 ºC, lower by 10 cm than that which would risk being recorded if it were limited at 2 ° C. The probability that the Arctic Ocean will be ice-free in summer would be once a century if warming is limited to 1.5 ° C, but at least once every ten years if it is limited to 2 ° C. With 1.5 ° C warming, 70 to 90% of coral reefs would disappear, while with 2 ° C warming, almost all (> 99%) would be wiped out. A warming of 1.5 ° C or more will increase the risk associated with permanent or irreversible changes, for example on biodiversity where certain ecosystems could risk disappearing.
Limiting global warming to 1.5 ° C and not 2 ° C would minimize the far-reaching effects on ecosystems, health and well-being of populations, and would therefore make it easier to achieve the objectives of sustainable development defined by the United Nations 2030 Agenda.
It is stated in the report that limiting global warming to 1.5 ° C would require "rapid and far-reaching" transitions in the fields of territory planning, energy, industry, building , transport and town planning. Global net anthropogenic carbon dioxide (CO2) emissions should be reduced by about 45% from 2010 levels by 2030, and a “zero balance sheet” of emissions should be achieved around 2050 , which means that the remaining emissions should be offset by removing CO2 from the atmosphere.
This report presents decision makers and professionals with the information they need to make decisions about climate change taking into account local specificities and the needs of populations. It will serve to map out strategies for sustainable and resilient social and economic development.
This historic report which comes in response to the invitation of the Paris Agreement on climate change was officially published on October 8, 2018 and will animate the Tholanoia dialogue at COP24 in Katowice, Poland on climate change, in the month of next December.
In the same section
Sunday, November 15th, 2015
The Applied Research on Renewable Energies Unit (URAER) of Ghardaïa organized on October 12th to 15th, 2014, the 3rd edition of the international seminar on new and renewable energies.