April 2-3: The Climate Change Policy Puzzle: Putting the Pieces Together. Arlington, Va. Air & Waste Management Association. http://secure.awma.org/events/climate

April 3-5: NJ State Transportation Conference and Expo. Atlantic City. NJ Department of Transportation. http://www.njcost.com

April 6-9: Odors and Air Emissions. Phoenix. Air & Wastement Management Association, Water Environment Federation, Arizona Water & Pollution Control Association. http://www.awma.org/go/odorsandairemissions08

April 13-15: The International Economic Development Council (IEDC) Federal Economic Development Forum. Alexandria, Va. www.iedconline.org/FederalForum/index.html

April 13-15: ESS EXPO.08. Phoenix. ESS. http://www.ess-home.com

April 13-16: North American Snow Conference http://www.apwa.net/Meetings/Snow/2008/

April 14-17: Social Media for Government. Advanced Learning Institute. Washington, D.C. http://www.aliconferences.com/conf/social_media_govt0408/index.htm

April 21-22: 8th Annual City and County Performance Summit. Las Vegas. Hosted by The Performance Institute. www.cityandcounty.org

April 22: Spring 2008 Telework Exchange Town Hall Meeting. Washington D.C. www.teleworkexchange.com/townhallmeeting

April 22-24: GSA Expo. Anaheim, Calif. General Services Administration. http://www.expo.gsa.gov

April 25: SIMA Goes to Court. Chicago. The Snow & Ice Management Association. www.sima.org.

April 26-28: International Downtown Association Spring Conference. St. Louis. www.ida-downtown.org.

April 26-29: Fire Chief magazine's Station Style Conference. Phoenix. http://firechief.com/stationstyleconference

April 30-May1: Dossier Users Group Annual Meeting. Las Vegas. Arsenault Associates. http://www.arsenault.biz