Friday, June 8, 2012 CNN.com - Top Stories: Scientists warn of tipping point CNN.com - Top Stories CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. Scientists warn of tipping point Jun 9th 2012, 04:17 A new international report warns that shifts in weather patterns and pollution could have sudden and unpredictable effects on the global ecosystem. You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet