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Ecological crisis: Difference between revisions
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[[File:Planetary boundaries.png|alt=Planetary Boundaries framework (2022) showing 5 boundaries transgressed.|thumb|400x400px|'''Figure 1.''' Planetary Boundaries framework (2022) - climate change is only one of the 5 boundaries transgressed.<ref name=":1" />]] | [[File:Planetary boundaries.png|alt=Planetary Boundaries framework (2022) showing 5 boundaries transgressed.|thumb|400x400px|'''Figure 1.''' Planetary Boundaries framework (2022) - climate change is only one of the 5 boundaries transgressed.<ref name=":1" />]] | ||
[[File:Sustainable Transition is Complicated.png|thumb|'''Figure 2'''. Carbon Tunnel Vision.]] | [[File:Sustainable Transition is Complicated.png|thumb|'''Figure 2'''. Carbon Tunnel Vision.]] | ||
'''[[CO2|CO<sub>2</sub>]] is not the only issue.''' '''In the 1960s, humans took about three-quarters of what the planet could regenerate annually'''<ref name=":1">'''Underestimating the Challenges of Avoiding a Ghastly Future'''. Front. Conserv. Sci. Published on 13 January 2021, accessed on 19 June 2022 via: [https://www.frontiersin.org/articles/10.3389/fcosc.2020.615419/full https://doi.org/10.3389/fcosc.2020.615419]</ref>'''.''' '''By 2016 this rose to 170 percent.''' We are now amidst''',''' a [[Ecological Crisis Timeline|great race]] between how fast we can get to a [[social tipping point]] versus the time it takes to reach a [[global ecological tipping point]]. Of the 9 recognised planetary boundaries ('''Figure 1''') we have already transgressed five: | '''[[CO2|CO<sub>2</sub>]] is not the only issue.''' '''In the 1960s, humans took about three-quarters of what the planet could regenerate annually'''<ref name=":1">'''Underestimating the Challenges of Avoiding a Ghastly Future'''. Front. Conserv. Sci. Published on 13 January 2021, accessed on 19 June 2022 via: [https://www.frontiersin.org/articles/10.3389/fcosc.2020.615419/full https://doi.org/10.3389/fcosc.2020.615419]</ref>'''.''' '''By 2016 this rose to 170 percent.''' | ||
We are now amidst''',''' a [[Ecological Crisis Timeline|great race]] between how fast we can get to a [[social tipping point]] versus the time it takes to reach a [[global ecological tipping point]]. Of the 9 recognised planetary boundaries ('''Figure 1''') we have already transgressed five: | |||
* '''Climate change''' - s''ince records began in 1880, nineteen of the twenty hottest years have occurred since 2000''<ref>'''NASA, Global Temperature'''. Live data source can be obtained via: https://climate.nasa.gov/vital-signs/global-temperature/</ref>''.'' | * '''Climate change''' - s''ince records began in 1880, nineteen of the twenty hottest years have occurred since 2000''<ref>'''NASA, Global Temperature'''. Live data source can be obtained via: https://climate.nasa.gov/vital-signs/global-temperature/</ref>''.'' | ||
*'''Biodiversity loss''' - there has been a 68% average decline in the population sizes of mammals, birds, amphibians, reptiles, and fish between 1970 and 2016<ref>'''Nature’s Dangerous Decline ‘Unprecedented’; Species Extinction Rates ‘Accelerating’''' May 2019. https://ipbes.net/news/Media-Release-Global-Assessment</ref>. | *'''Biodiversity loss''' - there has been a 68% average decline in the population sizes of mammals, birds, amphibians, reptiles, and fish between 1970 and 2016<ref>'''Nature’s Dangerous Decline ‘Unprecedented’; Species Extinction Rates ‘Accelerating’''' May 2019. https://ipbes.net/news/Media-Release-Global-Assessment</ref>. | ||