reaching from the western borders of brazil to the atlantic ocean. that length of that plume is the distance from london to athens. the smoke plunging into the city of sao paulo, look at that. this is 4:00 p.m. in the afternoon in sao paulo the middle of the day on monday. we have a devastating look inside the rain forest as well as it burns. >> i'm not able to stay here long because the fire is spreading but everything behind me right now is the forest i've been working to protect for the last 13 years. it is burning like this every day. there are literally millions of animals in this forest that cannot escape right now. if you think our planet can survive this every day in the amazon, you have another thing coming. >> joining me now is a conservationist who shot that video and the director of the brazil institute at the university of florida. thank you for both of you being here. paul, let's just understand this. forests burn. sometimes it's just the natural course of things. >> sure. >> the burning of the amazon,