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In common usage, climate change describes global warming —the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate.
The global warming potential (GWP) is defined as an "index measuring the radiative forcing following an emission of a unit mass of a given substance, accumulated over a chosen time horizon, relative to that of the reference substance, carbon dioxide (CO 2 ). The GWP thus represents the combined effect of the differing times these substances ...
The idea of net zero came out of research in the late 2000s into how the atmosphere, oceans and carbon cycle were reacting to CO 2 emissions. This research found that global warming will only stop if CO 2 emissions are reduced to net zero. [18] Net zero was basic to the goals of the Paris Agreement.
The United Nations Framework Convention on Climate Change ( UNFCCC) is the UN process for negotiating an agreement to limit dangerous climate change. It is an international treaty among countries to combat "dangerous human interference with the climate system ". The main way to do this is limiting the increase in greenhouse gases in the ...
Climate change scenario. A climate change scenario is a hypothetical future based on a "set of key driving forces". [1] : 1812 Scenarios explore the long-term effectiveness of mitigation and adaptation. [2] Scenarios help to understand what the future may hold.
Ozone depletion and climate change, or Ozone hole global warming in more popular terms, are environmental challenges whose connections have been explored and which have been compared and contrasted, for example in terms of global regulation, in various studies and books. There is widespread scientific interest in better regulation of climate ...
The report showed that it was possible to keep warming below 1.5°C during the 21st century. But this would mean deep cuts in emissions. It would also mean rapid, far-reaching changes in all aspects of society. The report showed warming of 2°C would have much more severe impacts than 1.5°C. In other words: every bit of warming matters.
A low-frequency mode of atmospheric variability of the Southern Hemisphere. Antarctica cooling controversy. anthropogenic. Created, caused, or strongly influenced by humans or human activities; man-made. anthropogenic climate change. Climate change with the presumption of human influence, usually warming.