>> host: paul driessen?> guest: we think would have to recognize is ddt and others are toxic more to some species than others. for a simple as cats and fish are more susceptible to ddt in the and the province or equals three the rahman populations rapidly increasing during the time when we were screened the most ddt and they attribute that to the fact, when ddt was coming in what insects and mosquitos carrying the avian diseases and to link the insects feeding the birds food as to the eagles. the interesting thing is before 1922 the ottoman society in ecology magazine said that the eagles were threatened with extinction but by the 1960's when ddt was being used the most the eagle populations were up 25% and what happened in the interim was people stopped shooting the eagles. we passed the bald eagle protection act and the that was a huge difference and we amended to cover the golden eagles as well lead that is when the eagle population started coming back and it happened in the midst of using ddt. >> host: l

it is paul driessen?in north carolina, you are on with linda lear and paul driessen. >> caller: thank you for taking my call. i was seven years old when rachel carson's book came out. have more comments than anything. pesticides and homicides and suicides, in my family's. an interesting thing to think about. there are too many chemicals. mountaintop removal. >> we are going to leave it there. this e-mail came from martha barkley, where you are. if you could respond i have a feeling that rachel carson's love was of the sea and her three see books. my favorite is the see around us and i wanted children to experience a sense of wonder as posthumous book states. please comment on writing being forced upon her. >> martha is certainly right that rachel didn't come looking for "silent spring" as a book to write. she was hoping to write about evolution and continue, to wonder and therefore to love the natural world and keep it because they loved it because you don't work for something you don't love. she gave up

the program is an hour. >> host: paul driessen, who was rachel carson?est: rachel carson was a scientist for fish and wildlife service department of the interior. she was an author. she was a gifted writer. i read silent spring when i was in college and read the sea around us and they captivated me. she is ms murray sing writer and she is able to take scientific, dry scientific information and put it in vibrant colorful words that captivate you. >> host: what was she well-known before silent spring came out in 1952? guest though she had the sea around us, which was a pretty big seller. that is what got me interested in marine biology and scuba diving and things like that. >> host: that was published in the 50s? >> guest: i believe so. i should have checked before i came on but i'm quite sure of that. >> host: what was the impact of silent spring in 1962 when it came out? >> guest: it was a pretty serious impact. it touched on a lot of things that have been on peoples minds. it created alarms. if presented in a poetic way and an alarming way what might he

. >> host: linda lear and paul driessen, if you want to learn more about our guests, you can go to lindalear.com and paul's website is eco-imperialism.com. we've got two -- we've got two more hours of programming coming up. in an hour you're going to see christopher hitchens and george packer discussing the author george orwell. both of those authors have written books about george orwell and we sat them down at "after words" and they discussed george orwell. that's coming up in an hour but first ni on the new book of economics and the 2008 economic situation after the fall. now, here's nicole. >> linda lear is the author of the biography rachel cars: witness for nature. ms. lear wrote the introduction to the 40th anniversary edition of "silent spring." paul driessen is a senior fellow with both the committee for constructive tomorrow and the congress of racial equality. he has worked as a staffer with the u.s. senate and the interior department. for more information, visit lindalear.com and eco-imperialism.com. >> up next, reporter, documentary film correspondent and author t.r. reid joins book