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The geographic disparity of historical greenhouse emissions and projected climate change


Abstract
One challenge in climate change communication is that the causes and impacts of global warming are unrelated at local spatial scales. Using high-resolution datasets of historical anthropogenic greenhouse emissions and an ensemble of 21st century surface temperature projections, we developed a spatially explicit index of local climate disparity. This index identifies positive (low emissions, large temperature shifts) and negative disparity regions (high emissions, small temperature shifts), with global coverage. Across all climate change projections we analyzed, 99% of the earth’s surface area has a positive index value. This result underscores that while emissions are geographically concentrated, warming is globally widespread. From our index, the regions of the greatest positive disparity appear concentrated in the polar arctic, Central Asia, and Africa with negative disparity regions in western Europe, Southeast Asia, and eastern North America. Straightforward ill ....

United States , United Nations Framework Convention On Climate , Emission Database For Global Atmospheric Research , Atmospheric Administration Climate Change Portal , Intergovernmental Panel On Climate Change , National Oceanic , Era Retrospective Analysis For Research , Central Asia , Southeast Asia , Intergovernmental Panel , Climate Change , Representative Concentration Pathway , East Asia , Coupled Model Intercomparison Project , Nations Framework Convention , Emission Database , Global Atmospheric Research , Modern Era Retrospective Analysis , ஒன்றுபட்டது மாநிலங்களில் , ஒன்றுபட்டது நாடுகள் கட்டமைப்பு மாநாடு ஆன் காலநிலை , உமிழ்வு தரவுத்தளம் க்கு உலகளாவிய வளிமண்டலம் ஆராய்ச்சி , இடை அரசு குழு ஆன் காலநிலை மாற்றம் , தேசிய கடல் , சகாப்தம் சுயபரிசோதனை பகுப்பாய்வு க்கு ஆராய்ச்சி , மைய ஆசியா , தென்கிழக்கு ஆசியா ,

Food systems drive a third of greenhouse gas emissions, study estimates


Food systems drive a third of greenhouse gas emissions, study estimates
A new study provides a comprehensive look at how food systems from the growing of food to its distribution to its consumption and even its disposal contribute to global greenhouse gas emissions.
It suggests that food systems are responsible for a third of all human-made greenhouse gas emissions, reinforcing previous research that provided similar estimates.
According to one expert, the dietary habits of people in developed nations can largely determine the greenhouse gas emissions in low-income countries, although the study does not explicitly state this.
Experts say that reform is needed to make food systems more sustainable, and to function within the Earth’s planetary boundaries. ....

South Africa , New Zealand , Rhetta Butler , Alessando Galli , Adrian Leip , El Bilali , Australian National University , Global Footprint Network , European Commission , Intergovernmental Panel On Climate , Stockholm Resilience Centre Johan Rockstr , Intergovernmental Panel On Climate Change , Eu Emissions Database Of Global Atmospheric Research , Nature Food , Intergovernmental Panel , Climate Change , Global Atmospheric Research , Footprint Network , Southern Ontario , Jo Anne Mcarthur , Stockholm Resilience Centre , Johan Rockstr , Total Environment , புதியது ஜீலாந்து , ர்ேத்த பட்லர் , ஆஸ்திரேலிய தேசிய பல்கலைக்கழகம் ,