Search resumes for missing yachtsmen, what happens to dredging material & cartoonist Kate Evans

The US Coast Guard has resumed the search for the four missing yachtsmen in the Atlantic including sailors Paul Goslin and Steve Warren from Somerset. Dredging continues on the River Parrett but what happens to all the material they dredge up? Also on the show 'Emma's Everyday people' guest is Kate Evans - an author and cartoonist from Street.