CLEAN Interactive Webinars for Secondary Level Educators

Climate varies over space and time

December 15, 2011

by Tamara Shapiro Ledley, Scientist, TERC, Cambridge, MA 
and Elizabeth Youngman, Educator


Slides from webinar are here: Climate is Variable slides (PowerPoint 2007 (.pptx) 5.7MB Jan3 12) We are sorry to say that the recording of this webinar is not functional.

This interactive webinar is designed to help secondary school teachers teach climate science. The content focus of this session is looking at mechanisms of long-term climate change, which is part of Principle 4 of the Climate Literacy Principles.

Note: This webinar has already taken place.
Jump down to: Related Resources

Goal -To explore mechanisms of long term climate change, and identify resources from the CLEAN collection that teachers can use to help students understand how those mechanisms impact climate over the long term.

Time - 4-6 pm Pacific | 5-7 pm Mountain | 6-8 pm Central | 7-9 pm Eastern

Duration - 2 hours

Format - Blackboard Collaborate platform and teleconference line 


Registration - (Note: Registration is now closed) There is no registration fee, but registration is required to save a space. Because space is limited to 15, please be sure you can commit before registering. Registration closes when the spaces fill or one week before the webinar, whichever comes first. 

Contact - For questions contact Marian Grogan at TERC (marian_grogan AT

About the Speakers:

Dr.Ledley is a senior scientist and chair of the Center for Science Teaching and Learning at TERC. She also leads the Earth Exploration Toolbook and EarthLabs projects, which are developing climate change curriculum materials.Her research has focused on understanding the mechanisms of climate change, specifically examining the impact of the cryosphere on atmosphere-surface energy exchange and how that shapes climate.

Ms. Youngmanis an education consultant and curriculum writer, with 25 years of experience teaching AP Environmental Science, Physical Science and Oceanography to students in grades 7-12. While a teacher, through the Teachers Experiencing Antarctica and the Arctic (TEA) program, Betsy participated in two climate change research expeditions to Summit, Greenland and the South Pole, Antarctica.




Related Resources

Links for Webinar Presentation (CLEAN Catalogue Pages

  1. Climate History & the Cryosphere (4e)
  2. The Little Ice Age: Understanding Climate and Climate Change (4e)
  3. Milankovitch Cycles (interactive) (1c and 1d) 
  4. Secrets of the Sediments (4d)
  5. Tree Rings, Climate Change and the Rainy Season (video) (4e)
  6. Tree Rings: Counting the Years of Global Warming (video) (4e) 
  7. Variations in carbon dioxide concentrations in Earth's atmosphere (4e)
  8. A Warming World (4c)