======The Global Atmospheric Environment for the Next Generation======
This report assesses changes in the global atmospheric environment between 2000 and 2030 using atmospheric chemistry models and emissions scenarios.  \\ 
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(Generated with the help of GPT-4) \\ 
  

^  Quick Facts  ^^
|Report location:  |[[https://foresightfordevelopment.org/sobipro/download-file/46-639/54|source]]   |
|Language:  |English  |
|Publisher:  |<WRAP> 
american chemical society \\ 
Environmental Science Technolnology \\ 
</WRAP>   |
|Authors:  | A. Fiore,  B. Collins,  B. Eickhout,  B. Josse,  C. Atherton,  D. Bergmann,  D. Hauglustaine,  D. Shindell,  D. Stevenson,  G. Pitari,  G. Zeng,  H. Eskes,  I. Bey,  I. S. A. Isaksen,  J. Cofala,  J. Drevet,  J. F. Lamarque,  J. F. Muller,  J. Pyle,  J. Rodriguez,  K. Ellingsen,  K. Sudo,  L. Bouwman,  L. Horowitz,  M. Amann,  M. Gauss,  M. Krol,  M. Lawrence,  M. Sanderson,  M. Schultz,  N. Bell,  N. H. Savage,  O. Wild,  R. Doherty,  R. Van Dingenen,  S. Rast,  S. Strahan,  S. Szopa,  T. Butler,  T. Van Noije,  V. H. Peuch,  V. Montanaro, F. Dentener |
|Geographic focus:  |Global   |

=====Methods=====
The research employed 26 state-of-the-art global atmospheric chemistry models to simulate the atmospheric environment for the year 2000 and for 2030 using three emissions scenarios: current legislation (CLE), maximum feasible reduction (MFR), and the pessimistic IPCC SRES A2 scenario. The models were used to assess changes in surface ozone, radiative forcing, and nitrogen deposition. The study found that by 2030, without additional emission reductions, there would be an increase in surface ozone, radiative forcing, and nitrogen deposition, leading to further environmental degradation. Only the MFR scenario, which assumes the application of all currently available emission reduction technologies, could potentially reduce ozone levels and mitigate climate forcing. The study underscores the need for stringent air quality policies to protect the global atmospheric environment for future generations.  \\ 
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=====Key Insights=====
The study uses 26 atmospheric chemistry models to evaluate changes in air quality, ecosystem nitrogen deposition, and climate from 2000 to 2030 under three emissions scenarios: current legislation (CLE), maximum feasible reduction (MFR), and a pessimistic scenario (IPCC SRES A2). Results show that without further emission reductions, air quality will deteriorate, with increased surface ozone, nitrogen deposition, and climate forcing. The MFR scenario, which applies all feasible technologies for emission reductions, can lead to improvements in air quality and reductions in climate forcing. The study highlights the importance of enforcing and going beyond current air quality legislation to prevent further degradation of the global atmosphere.  \\ 
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(Generated with the help of GPT-4) \\ 


=====Additional Viewpoints=====
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<span #categories_box> Categories:  {{tag>English_publication_language}} |  {{tag>Global_geographic_scope}} |  {{tag>air_quality}} |  {{tag>atmospheric_chemistry_models}} |  {{tag>atmospheric_environment}} |  {{tag>atmospheric_models}} |  {{tag>climate_change}} |  {{tag>ecosystem_exposure}} |  {{tag>emissions}} |  {{tag>emissions_scenarios}} |  {{tag>environmental_policy}} |  {{tag>nitrogen_deposition}} |  {{tag>radiative_forcing}} |  {{tag>scenarios}} |  {{tag>surface_ozone}} |  {{tag>technology_application}}   </span>  


~~DISCUSSION~~