BBCNEWS Newsday October 12, 2021 22:21:00
In sea levels. already the thames barrier, defending london, is being closed far more often than planned — a trend that will continue as the polar ice keeps melting, raising the height of the oceans. with its network of tunnels under the river, the barrier was designed decades ago and may not be big enough in future. the great steel gates are holding back a phenomenal volume of sea water that would otherwise enter the city and potentially cause disaster, which is why climate change matters so much here. they're constantly watching the projections for how much the sea is going to rise, and it...