President Barack Obama, then Illinois Senator, and Prof Maathai plant a tree at Uhuru Park's Freedom Corner on August 25, 2006. Photo: File/Standard By Standard Digital | Sep. 27, 2011 Share this article on social . Latest Stories . Recommended Articles New NCIC team sworn in, vows to tackle hate speech ahead of 2027 polls National By Okumu Modachi 51 mins ago Kakamega signs MOU with Netherland firm to improve farming Western By Bernard Lusigi 47 mins ago