According to the Pocono District of Penn State Extension, an "Atmospheric Deposition in Pennsylvania: Impacts on Watersheds" free webinar will be held on Sept. 4, from noon to 1 p.m. Pre-registration is encouraged but not required. To view the webinar, visit

https://meeting.psu.edu/water1Recorded versions of each webinar are posted at

http://extension.psu.edu/water/webinar-series/past-webinars for those who cannot log on for the live version.To register or learn more about future or recorded webinars, visit

http://water.cas.psu.edu/webinars.htm.For more information, contact Bryan Swistock at (814) 863-0194 or by email at

brs@psu.edu.