• COVER STORY: 51 Things We Can Do - Here is our guide to some of the planet's best ideas, with an assessment of their impact and feel-good factor • On the Front Lines Of Climate Change - Adapting to a warmer planet. The world's most vulnerable coastal communities are taking action now for a future of rising oceans and more severe floods. What America's cities can learn from them • What Now For Our Feverish Planet? - Our feverish planet badly needs a cure. Climate change is caused by a lot of things, and it will take a lot of people to fix it. There's a role for big thinkers, power players, those with deep pockets--and the rest of us • RELIGION: Pastors' Wives Come Together - Their roles have changed with the times. Now they're finding fellowship--online • SOCIETY: Knee Deep - Examining how exercise, fatigue and the differences between men and women affect sports injuries • Parents: Relax - Teens are acting more responsibly. It may even be time to reward them with some of the rights adults have • WORLD: The Master's Next Move - Two decades after he conquered the chess world, Garry Kasparov is taking on his biggest challenge: Russian President Vladimir Putin • HEALTH & MEDICINE: Living with Cancer - The toll of the disease is still high, but more and more patients are fighting it to a draw, enjoying one active, busy year at a time