T6 (Atmosphere) Case Studies Flashcards Preview

ESS > T6 (Atmosphere) Case Studies > Flashcards

Flashcards in T6 (Atmosphere) Case Studies Deck (8)
Loading flashcards...
1
Q

ODSs / Stratospheric Ozone

A

UNEP and Montreal Protocol

  • 1987 Montreal Protocol 24 countries, now 197
  • ODS production 1.8mn tonnes 1987 to 45,000 tonnes 2010
  • Reduced production/consumption of ODS over 95%
  • 2002 ODS consumption reduced 95% developed countries, 50% developing
2
Q

ODSs / Stratospheric Ozone: Country

A

Australia

  • National legislation to meet Montreal obligations
  • ODS phased out
  • Part of Montreal Protocol Multilateral Fund to help all countries
3
Q

Photochemical Smog Examples

A

Urban Area in Valley - Mexico City

Coastal Urban Area - LA

4
Q

Photochemical Smog Case Study: Fires

A

South East Asian Fires

  • Smog impacting 70mn people in 6 countries
  • 275 died starvation (cholera evident)
  • 60,000 treated smog-related illness
  • 4.5mn hectares rain forest/ plantations deliberate fires
5
Q

Photochemical Smog Case Study

A

Mexico City

  • Visibility just 1.5km 2000s
  • 1990s: ozone levels exceed standards 90% days
  • Reduce PM10 and Ozone 10% = save $760mn and 260 infant deaths a year
6
Q

Countries Effected by Acid Rain

A

1980s/90s: Sweden, Norway and Germany (downwind of industrial production)

7
Q

Pollution Management

A

UK

  • 46% Nitrogen oxides from power stations, 28% vehicles
  • FGD and boilers reduce air at combustion = reduced emissions
  • Reduction: engine/exhaust type, lower speed limits and more public transport
8
Q

Liming (Clean up / Restoration)

A

Norway and Sweden