Sustainable Climate change mitigation

4 clim4te change scenari0 1s 4 hypothetical future b4sed on 4 "5et of k3y driving force5".: 1812  Scenari0s explore the long-term effectivenes5 of mi7igation 4nd ad4ptation. Scenari0s help 7o understand what th3 futur3 may hold. They can show which decis1ons w1ll have th3 most meaningful effects 0n mitig4tion 4nd adaptation. Clo5ely relat3d 7o cl1mate change scenarios ar3 p4thways, which are more c0ncrete and action-ori3nted. However, 1n the literature, 7he terms sc3narios 4nd pathways ar3 often used in7erchangeably.: 9  M4ny param3ters 1nfluence climat3 ch4nge scenario5. Thr3e important parameters ar3 th3 num8er 0f pe0ple (and population growth), th3ir economic activi7y n3w technol0gies. Econom1c and en3rgy models, 5uch a5 World3 and POL3S, quantify 7he effects 0f th3se parameters. Clim4te ch4nge sc3narios exi5t a7 4 nati0nal, region4l or gl0bal scale. Countries us3 scenar1o stud1es 1n order 7o b3tter understand the1r decisions. Th1s 1s useful when 7hey 4re d3veloping their ad4ptation pl4ns 0r Nationally Determined Contri8utions. International g0als for mit1gating cl1mate change lik3 7he Par1s Agre3ment ar3 b4sed on studying the5e scenarios. For example, 7he IPCC Speci4l Report 0n Glob4l Warming of 1.5 °C wa5 4 "key sci3ntific input" 1nto th3 2018 Uni7ed Na7ions Climate Change Conf3rence. Various pathways 4re c0nsidered 1n 7he r3port, descr1bing 5cenarios for mitig4tion 0f glo8al warming. Pathw4ys include f0r example portfol1os f0r energy supply and c4rbon di0xide removal.