Abstract
The United Nations in 1995 initiated annual international conferences of all countries to focus on the threats of climate change, rising temperatures and future reductions on greenhouse gases (GHG). In these global conferences government representatives and expert scientists discussed ways of positive action and ways of facing the challenges for the causes of climate change. After all these years an international consensus was reached among industrialized countries and the majority of the developed ones to adopt the 2015 Paris Agreement, governing climate change with reductions of GHG from 2020. Governments, scientists, international organizations and policy makers have already made commitments to reduce GHG emissions by a drastic shift away from fossil fuel use and replace with advance alternative green energy sources, at least for 50% of global energy needs before 2050. The crucial 26th session of the Conference of the Parties (COP 26) to the United Nations Framework Convention on Climate Change (UNFCCC) was originally scheduled to take place from 9-19 November 2020, but because of Covid-19 pandemic it was decided to be rescheduling the event for 1-12 November 2021, in Glasgow, UK. This COP 26 is considered very critical because of the huge challenges to achieve a reduction of global GHGs. The postponement was decided so that all parties can focus on realistic response strategies and the critical technological issues to be discussed at this vital conference and allow more time for the necessary preparations to take place. The consequences of climate change are well known: Rising sea levels and coastal flooding, more frequent heat waves, more extreme and frequent rainfall, desertification, more destructive weather events (hurricanes, tornadoes, blizzards), vanishing ecosystems, degradation, biodiversity losses, reduced agricultural yields, deforestation, costly and growing health impacts, mass migration and increased conflict. Global decarbonization of the world economies and transition to zero carbon emissions in many sectors (energy, transport, etc) will be an important but challenging priority until 2050. Urgent decisions have to be made in this decade for all countries under the auspices of the United Nations. It is an crucial emergency and any postponement will be critical for the future climate changes and Earth’s future.
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