EcoWatch: Beginning in March 2015, The Guardian, one of the worlds most respected and influential news organizations, launched an unprecedented media advocacy campaign--it was asking the richest and largest foundation on Earth, the Bill & Melinda Gates Foundation, to remove their investments in the fossil fuel industry. With the help of divestment activists, the Guardian collected the voices of a quarter of a million people across the globe who called on the Gates Foundation to join hundreds of other foundations,...