Recently , we saw compelling evidence that big business is getting more serious about climate change . 25 years ago , the giant Viking ship created a gigantic oil spill in Alaska waters . Mindy Lubber : Top companies such as Exxon are ready to act on climate change . She says they realize how carbon pollution drags down their bottom line . Lubber : If they do n't embrace clean energy now , it may be too late and too expensive .
25 years ago , the giant Viking ship created a gigantic oil spill in Alaska waters . Mindy Lubber : Top companies such as Exxon are ready to act on climate change . She says they realize how carbon pollution drags down their bottom line . Lubber : If they do n't embrace clean energy now , it may be too late and too expensive .