climate

EARTH: Growth Rings in Rocks Reveal Past Climate

For years, scientists have used mineral, sediment and ice layers, deposited intermittently throughout geologic time, to track the global climate record. These can come from caves, lakes, the oceans and ice sheets. But over the course of the last decade a new method has been developed that presents an opportunity for geoscientists to assess global climate history in almost any arid landscape.

EARTH: Crippling Heat Stress Projected by Midcentury in Densely Populated Regions

This issue, EARTH Magazine explores the world's top weather-related killer: exposure to extreme heat. Humans' response to extreme heat leads to heat stress, an illness related to the body's inability to cool itself. Humidity plays a crucial role, because as humidity increases, the ability of sweat to evaporate and cool the body decreases.

Ocean Acidification Impacts on Fisheries

Friday, March 11, 2016

Background: As the amount of atmospheric carbon dioxide has increased over recent history, so has the acidity of oceans worldwide. The changing acidity of the ocean has many ecological and economic impacts, one of the most serious being its effects on marine life and fisheries. The impact of ocean acidification is intensified in colder bodies of water such as those off the coast of New England, a region with a large fisheries sector. These impacts have already been recognized on both coasts, with the Washington, Maine, and Maryland state legislatures commissioning reports on ocean acidification and marine life/fisheries. In 2015, the Massachusetts Legislature also introduced a bill to establish a taskforce to investigate the impact of increasingly acidic waters off the coast of Massachusetts on commercially harvested or grown marine species.

Our speakers include:

Webinar Co-Sponsors:

Consortium for Ocean Leadership, NOAA Ocean Acidification ProgramNortheast Coastal Acidification Network

CEU Credits

To earn CEU credits, please complete the associated on-demand GOLI course that was developed from this webinar with a grade of 70% or higher and then submit your application for CEUs. CEUs are awarded from the American Institute of Professional Geologists. To view the full list of on-demand GOLI courses, please browse the GOLI course catalog.

Resources to learn more:

Search the Geological Surveys Database for reports and factsheets about ocean acidification.

Ocean Acidification Impacts on Fisheries: The geological record of ocean acidification

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