but micheletti isn't giving up.is citizens' initiative has managed to prevent even more cruise ships from coming into venice. stefano: when a ship like that goes by, the water level in the nearby canals sinks by around 20 centimeters and then rises again right afterwards, due to the displacement. this hugely powerful force eats away at the foundations of the palaces, churches, and bridges. reporter: but not everyone in venice is happy about micheletti's initiative. the port authorities invested millions of euros in modern cruise terminals. now, due to the success of the protests, only half of them can be used. galliano: for four years we've been listening to these fears that our ships could even ram into venice. i can only keep reassuring people, even with the biggest ships, the chances of that happening are zero. reporter: so the industry is still fighting to keep the huge ships cruising by st. mark's square. it's a business worth millions. but resistance is growing, also due to the exhaust fumes the ships release

the cruise ships are also a huge problem activist stefano micheletti is outraged not only do these huge vessels flood the city with day trippers they're also threatening the lagoon cities very foundations remain. the big ships propellers have a piston effect. they china the subsoil so clay and silt from the lagoon are gradually washed into the open sea. before the wall. but as a result venice a city built on wooden piles is slowly sinking and could eventually be completely underwater but micheletti isn't giving up his citizens initiative has managed to prevent even more cruise ships from coming into venice. on the bus from around the route it is just when a ship like that goes by the water level in the nearby canals sinks by around twenty centimeters and then rises again right afterwards due to the displacement this hugely powerful force eats away at the foundations of the palaces churches and bridges. but not everyone in venice is happy about nicollette is initiative the port authority has invested millions of euros in modern cruise terminals now due to the success of the protests only

for joe micheletti, pierre mcguire, and our entire crew, i'm kenny albert. thanks for watching the stanley cup playoffs presented by geico. controversy. why u-c berkeley grads... turn their backs on the grad >>> right now on nbc bay area news, commencement ceremony controversy. why uc berkeley grads turned their backs on the graduation speaker. >> the main issue we are struggling with this year is basically mother nature. >>> plus, the weather taking the toll on a sweet treat. a popular fruit grown in the south bay that you may not see as much of this year. what's behind the shortage. >>> oh my god. >> first, thick black smoke billowing into the sky after a massive fire breaks out in the east bay, causing chaos in a neighborhood. >>> the news starts right now. good evening and thanks for joining us. >> we're on with a special edition of nbc bay area news because of a playoff hockey game. in >> a fire quickly escalated to five alarms. a plume of smoke could be seen in the sky for miles around. sergio quintana is live with the story and the reaction from neigh