White Dog Cafe, 3420 Sansom Street, Philadelphia

"Change" is a word that has become a bit overused, but is never out of fashion! Sue Ellen Klein of SpokesPeople, invites you to join in a casual conversation about what you, your neighbors, and politicians are doing to create positive change. SpokesPeople believes that when we are willing to Speak Up! and Speak Out! for the things we care about, we begin to create the change we want to see in the world. Reservations required. FREE. Call (215) 384-9224.

National Constitution Center, 525 Arch Street, Philadelphia

As part of the National Constitution Center’s Election 08: The Power of We series, Carly Fiorina, former Chair and CEO of Hewlett-Packard, will discuss the economic challenges facing the country and the next president. As a regular passenger on John McCain’s Straight Talk Express, she is in a unique position to speak about the economic policies of the Republican nominee. $15 for non-members; Reservations Required. Call (215) 409- 6700.

Saunders House, 100 Lancaster Ave., Wynnewood, PA

Are you caring for someone with Alzheimer’s disease and other related dementias? Who is caring for you? Get mutual support from other caregivers, learn practical caregiving information, and learn about community resources all in a caring and confidential setting. Family, friends, and neighbors are invited to participate. To RSVP and to learn about groups in other locations, call (610) 658-5152.

Free Library of Philadelphia, 1901 Vine Street, Philadelphia

What is really happening in Afghanistan? Dexter Filkins, a foreign correspondent for the The New York Times, can provide personal insights on the war as he discusses his work, "The Forever War." Filkins received a Pulitzer Prize nomination for his reporting from Afghanistan, and through this book offers a visceral tour of today’s battlefields as someone who has walked side-by-side with U.S. Marines during the battle of Fallujah. FREE. For information, call (215) 567-4341.

Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia

Developed and run by the Delaware Valley Regional Planning Commission, “Dots & Dashes” is a fun way for people in the Delaware Valley to voice their opinions about what public transit projects they would like to see in the next thirty years. Join Clean Air Council members and friends in playing this lively game and agree on priorities that, together with the results of other groups who play, will inform DVRPC's Connections 2035 Long Range Plan and a new Regional Transit Vision plan. FREE. Food will be served. Space is limited. To register, click.

Auditorium at Moore College of Art and Design, 20th and the Parkway, Philadelphia

Plan to attend a film screening of Thomas Friedman, "New York Times" columnist and three-time Pulitzer prize winner interviewing executives from Google and Wal-Mart about how their companies are going green and making lots of green. FREE. For more information, call (215) 965-4027.

Philadelphia Center for Architecture, 1218 Arch Street, Philadelphia

A famous Philadelphian once said, ''An apple a day keeps the doctor away''… but an apple is increasingly hard to find for many urban families. Learn about the design, financing, and public health challenges in bringing fresh, healthy food within reach of low-income, urban neighborhoods -- and how innovative design can be part of the solution. Lunch-time discussion presented by the Community Design Collaborative. FREE. Contact: (215) 587-9290.