Mechanized Fortification News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Predicts entire cities could be submerged in the coming decades. and that includes london as cnn's phil black reports. >> reporter: london has long respected the power of the sea. straddling the city's famous river, you'll find this, the thames barrier. finished in the early '80s, it's a mighty, mechanized fortification. this sped-up video of a recent test shows how it works. fully extended, the gates stand five stories high. it's designed to hold back the north sea on its angriest days to protect lives and the vast riches of one of the world's wealthiest cities. >> if there was flooding, it w...

See us in the streets. and so with more youth getting engaged, it makes me optimistic because we are really showing our world leaders that we are demanding that they take action. >> and we salute your hard work and your passion on this issue. alexandria villasenor, thank you so much for joining us. >> thank you for having me. well, as a result of climate change, scientists say hundreds of millions of people around the world are at risk of rising sea levels. a study released in october predicts entire cities could be submerged in the coming decades, and that includes london, as cnn's phil bla...