The chair of the current climate change conference, Dutch Environment Minister Jan Pronk, said yesterday that his “hopes are growing day by day” that an international agreement would be reached. But others at the conference in Bonn, Germany, were far more pessimistic about a positive outcome. It’s not just environmental groups that are pulling for an agreement. One of the profound shifts in the climate debate, writes Elliot Diringer from Bonn, is that some leading corporations are now pushing for concrete steps to reduce greenhouse gas emissions. Read more from Diringer, a veteran environmental reporter now with the Pew Center on Global Climate Change, on the Grist Magazine website.