PowerPoint Presentationozonedepletiontheory.info/Papers/Ward2015TEDxSlides.pdfobserved warnings of...

5.4o

5.4o 2.7

o

2.7o Robock, 2002

Explosive Cooling

Pinatubo, 1991 Bárðarbunga, 2014-2015

Effusive Warming

Lasting Hours Lasting > Months


Greenland Ice Sheet Program Drill Hole 2 (GISP2)

Vo

lca

nic

Su

lfate

Oxygen

Oxygen Oxygen

Altitu

de

in M

iles

11

31

52

Ozone Layer

Polar Stratospheric Clouds

Chlorofluorocarbon Gases

Antarctic Peninsula

Antarctic Ozone Hole

September 24, 2006

NASA

Explosive Cooling © Arctic-Images/Corbis

Pinatubo, 1991 Bárðarbunga, 2014-2015

Effusive Warming

Lasting Hours Lasting > Months


Documents