one of the things about the oil spill was that it came in -- couldn't come at a worse time in that it was springtime and larvae and fish eggs, next generation in the water column which the oil is so toxic. same thing now this spring people aren't sure what will happen. they don't know, shrimp fishery just opened up two, three days ago. there's preliminary reports of the catch not being too bad. but oil showing up in the shrimp. the number one thing that still scaring people on the gulf is the uncertainty. >> thank you so much, felipe cousteau for your insight on this. this is a story we are covering for another couple decades or so. thank you. help is still needed in the gulf a year after the oil spill. to find out how you can make a difference in the gulf a year after that spill, visit our impact your world page. cnn's impact your world is challenging you to pledge at least 11 volunteer hours in 2011. go on cnn.com/impact to make your pledge today.