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Discover global climate trends, projections for Jacksonville, and what actions you can take to help. Understand the impact on plants, animals, and urbanization. Learn about rising temperatures and the significant threat of climate change in Jacksonville.
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Climate crisis in Jacksonville:What does the future hold? Adam Rosenblatt, PhD University of North Florida October 8, 2019
Overview • Global climate trends • Jacksonville climate projections • What you can do to help • What do you think?
Rosenblatt Lab research • Understanding the effects of environmental change on plants and animals • Climate change • Urbanization • Current focus is on alligators, sea turtles, and arthropods (spiders and grasshoppers)
CO2 measurements 408 ppm CO2 levels have not been this high for about 3 million years Scripps Institution of Oceanography
In my lifetime (35 years): +70 ppm End of last glacial period +70 ppm took ~3500 years
Rising temperatures Every decade since 1950 has been warmer than the one before it The 18 hottest years on record (since 1880) have occurred in the last 20 years July 2019 was the hottest month ever recorded US Global Change Research Program
4 Hiroshima-sized nuclear bombs worth of extra heat added to the climate system every second! Nuccitelli et al. 2012
Climate change – Duval County US Global Change Research Program
Scenario: No action on climate change Union of Concerned Scientists; Dahl et al. 2019
Scenario: No action on climate change Union of Concerned Scientists; Dahl et al. 2019
Florida is uniquely vulnerable In Jacksonville, $870 million in property value threatened with flooding by 2050 $7.2 billion by 2100 Union of Concerned Scientists
Jacksonville is uniquely vulnerable Center for Climate Integrity
Hurricanes • It’s too soon to know if hurricane frequency will change • It’s very likely that: • Rainfall amount per hurricane will continue to increase (10-15%) • Average hurricane strength will continue to increase (1-10%) • Proportion of hurricanes reaching Cat 4/5 will continue to increase National Oceanic & Atmospheric Administration
Cat 2/3 TS
1. Write a constituent letter 2. Write a letter of support for HR 763
Questions? Contact info adam.rosenblatt@unf.edu @aroseadam
Sources • Scripps Institution of Oceanography (https://scripps.ucsd.edu/programs/keelingcurve/) • Mann, M., Z Zhang, MK Hughes, RS Bradley, SK Miller, S Rutherford, F Ni, 2008. Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia. Proceedings of the National Academy of Sciences 105, 13252–13257 • US Global Change Research Program (https://www.globalchange.gov/browse/multimedia/global-temperature-and-carbon-dioxide) and (https://toolkit.climate.gov/#climate-explorer) • Nuccitelli et al. 2012 (https://www.sciencedirect.com/science/article/abs/pii/S0375960112010389) • Washington, W., L Buja, A Craig, 2009. The computational future for climate and Earth system models: on the path to petaflop and beyond. Philosophical Transactions of the Royal Society A 367, 833-846 • Intergovernmental Panel on Climate Change (http://www-users.york.ac.uk/~kdc3/papers/robust2015/background.html) and (https://ar5-syr.ipcc.ch/topic_summary.php)
More sources • Union of Concerned Scientists (https://ucsusa.maps.arcgis.com/apps/MapSeries/index.html?appid=e4e9082a1ec343c794d27f3e12dd006d%20) and (https://www.ucsusa.org/global-warming/global-warming-impacts/sea-level-rise-chronic-floods-and-us-coastal-real-estate-implications) • Climate Central (http://sealevel.climatecentral.org/) • Center for Climate Integrity (https://www.nytimes.com/2019/06/19/climate/seawalls-cities-cost-climate-change.html) • National Oceanic & Atmospheric Administration (https://www.gfdl.noaa.gov/global-warming-and-hurricanes/) • Ficklin, D., JT Maxwell, SL Letsinger, H Gholizadeh, 2015. A climatic deconstruction of recent drought trends in the United States. Environmental Research Letters 10, 044009 • https://europa.eu/capacity4dev/unep/documents/global-trends-renewable-energy-investment-2018
Energy investment by country • 2017 • India = $10.9 billion • US = $40.5 billion • EU = $40.9 billion • China = $126.1 billion United Nations Environment Programme