a changing climate
TRANSCRIPT
6
Our home is Our home is warmingwarming
base period 1951-1980
Global average surface temperature in 2011 was 9th warmest since 1880.9 of 10 warmest years in modern met record have occurred since 2000.
NASA
7
AR4, IPCC
ProxiesProxies
Tree ring growth Bore holes Ice cores Coral banding Glacier lengths Sediment cores
© NOAA
© BOM
Industrial period Industrial period temperatures are temperatures are
warmestwarmest since since 600 AD600 AD
12
JJA 2003
Swiss monthly temps 1864-2003
estimated that over the 20th century, human influences more than doubled the risk of having a summer in Europe as hot as that of 2003
15
The The basicbasic science is well science is well foundedfounded and over 150 years old and over 150 years old
16
Continuous record shows Continuous record shows COCO22 increasing increasing since 1950s since 1950s
18
““Global atmosphericGlobal atmospheric cconcentrations of carbon oncentrations of carbon dioxide, methane and dioxide, methane and nitrous oxide …now far nitrous oxide …now far exceed pre-industrial exceed pre-industrial values determined from values determined from ice cores..”.ice cores..”.
=> At least 650,000 yrs=> At least 650,000 yrs
20
Global warming is Global warming is due to humansdue to humans
Hum
an f
acto
rs
Effects ofthe sun
22
Stratospheric cooling Stratospheric cooling consistent with consistent with COCO22 warming warming
Balloons
Satellite
24
For the next two decades a warming of about 0.2For the next two decades a warming of about 0.2C per decade C per decade is projected for a range of SRES emission scenarios. Even if the is projected for a range of SRES emission scenarios. Even if the concentrations of all greenhouse gases and aerosols had been concentrations of all greenhouse gases and aerosols had been kept constant at year 2000 levels, a further warming of about kept constant at year 2000 levels, a further warming of about 0.1°C per decade would be expected. 0.1°C per decade would be expected.
28
Christianity is Christianity is well equippedwell equipped to to inform our thinking & actioninform our thinking & action
29
TTheologyheology
Creational monotheism– Not ‘green’ but biblical– Combating evangelical dualism
Gospel-creation connection– Evangelism & creation care– Holism
Justice-creation connection– Caring for poor– Intergenerational
30
CCatholic atholic TTheologyheology
"It becomes more and more evident that there is an inseparable link between peace with creation and peace among men."... Pope Benedict XVI
31
St FrancisSt Francis
Be praised, my Lord, through our sister Mother Earth,who feeds us and rules us,and produces various fruits with colored flowers and herbs.
32
KKey ey PPassagesassages
Gen 1 – cosmic templeGen 2 – gardeners by appointmentPs 104 – God of biodiversityRm 8 – groaning creation1 Cor 15 – resurrection theology2 Peter 3 – refinement not destructionJeremiah 29:6-8 – living in exileGood Samaritan – neighbours in a globalised
atmosphere & economyOthers…..