Dear Friend, On March 25 , State of the Planet 2010 will bring together the world's most influential and innovative thinkers and leaders in a wide range of fields—from many academic disciplines to media, government, policy and business spheres—to tackle critical issues facing the world. This year’s conference is the result of a partnership between the Earth Institute, The Economist and Ericsson. State of the Planet 2010 will focus on four important challenges: climate change, poverty, economic recovery and international systems. Speakers will include President Felipe CalderĆ³n Hinojosa of Mexico; UN Secretary-General Ban Ki-moon ; Jeffrey D. Sachs , director of the Earth Institute; Matthew Bishop , American business editor and New York bureau chief at The Economist ; and Hans Vestberg , president and CEO of Ericsson. Around the world, people will be able to particip