A drive through the sticky Florida heat into Alton Road in Miami Beach can be an unexpectedly awkward business. Most of the boulevard, which runs north through the heart of the resort’s most opulent palm-fringed real estate, has been reduced to a single lane that is hemmed in by bollards, road-closed signs, diggers, trucks, workmen, stacks of giant concrete cylinders and mounds of grey, foul-smelling earth.
It is an unedifying experience but an illuminating one – for this once glamorous thoroughfare, a few blocks from Miami Beach’s art deco waterfront and its white beaches, has taken on an unexpected role. It now lies on the front line of America’s battle against climate change and the rise in sea levels that it has triggered.
“Climate change is no longer viewed as a future threat round here,” says atmosphere expert Professor Ben Kirtman, of Miami University. “It is something that we are having to deal with today.”
Every year, with the coming of high spring and autumn tides, the sea surges up the Florida coast and hits the west side of Miami Beach, which lies on a long, thin island that runs north and south across the water from the city of Miami. The problem is particularly severe in autumn when winds often reach hurricane levels. Tidal surges are turned into walls of seawater that batter Miami Beach’s west coast and sweep into the resort’s storm drains, reversing the flow of water that normally comes down from the streets above. Instead seawater floods up into the gutters of Alton Road, the first main thoroughfare on the western side of Miami Beach, and pours into the street. Then the water surges across the rest of the island.
The effect is calamitous. Shops and houses are inundated; city life is paralysed; cars are ruined by the corrosive seawater that immerses them. During one recent high spring tide, laundromat owner Eliseo Toussaint watched as slimy green saltwater bubbled up from the gutters. It rapidly filled the street and then blocked his front door. “This never used to happen,” Toussaint told reporters. “I’ve owned this place eight years and now it’s all the time.”
Today, shop owners keep plastic bags and rubber bands handy to wrap around their feet when they have to get to their cars through rising waters, while householders have found that ground-floor spaces in garages are no longer safe to keep their cars. Only those on higher floors can hope to protect their cars from surging sea waters that corrode and rot the innards of their vehicles.
Hence the construction work at Alton Road, where $400m is now being spent in an attempt to halt these devastating floods – by improving Miami Beach’s stricken system of drains and sewers. In total, around $1.5bn is to be invested in projects aimed at holding back the rising waters. Few scientists believe the works will have a long-term effect.
“There has been a rise of about 10 inches in sea levels since the 19th century – brought about by humanity’s heating of the planet through its industrial practices – and that is now bringing chaos to Miami Beach by regularly flooding places like Alton Road,” says Harold Wanless, a geology professor at Miami University. “And it is going to get worse. By the end of this century we could easily have a rise of six feet, possibly 10 feet. Nothing much will survive that. Most of the land here is less than 10 feet above sea level.”
What makes Miami exceptionally vulnerable to climate change is its unique geology. The city – and its satellite towns and resorts – is built on a dome of porous limestone which is soaking up the rising seawater, slowly filling up the city’s foundations and then bubbling up through drains and pipes. Sewage is being forced upwards and fresh water polluted. Miami’s low topography only adds to these problems. There is little land out here that rises more than six feet above sea level. Many condos and apartment blocks open straight on the edge of the sea. Of the total of 4.2 million US citizens who live at an elevation of four feet or less, 2.4 million of them live in south Florida.
At Florida International University, geologist Peter Harlem has created a series of maps that chart what will happen as the sea continues to rise. These show that by the time oceans have risen by four feet – a fairly conservative forecast – most of Miami Beach, Key Biscayne, Virginia Key and all the area’s other pieces of prime real estate, will be bathtubs. At six feet, Miami city’s waterfront and the Florida Keys will have disappeared. The world’s busiest cruise ship port, which handles four million passengers, will disappear beneath the waves. “This is the fact of life about the ocean: it is very, very powerful,” says Harlem.
Miami and its surroundings are facing a calamity worthy of the Old Testament. It is an astonishing story. Despite its vast wealth, the city might soon be consumed by the waves, for even if all emissions of carbon dioxide were halted tomorrow – a very unlikely event given their consistent rise over the decades – there is probably enough of the gas in the atmosphere to continue to warm our planet, heat and expand our seas, and melt polar ice. In short, there seems there is nothing that can stop the waters washing over Miami completely.
It a devastating scenario. But what really surprises visitors and observers is the city’s response, or to be more accurate, its almost total lack of reaction. The local population is steadily increasing; land prices continue to surge; and building is progressing at a generous pace. During my visit last month, signs of construction – new shopping malls, cranes towering over new condominiums and scaffolding enclosing freshly built apartment blocks – could be seen across the city, its backers apparently oblivious of scientists’ warnings that the foundations of their buildings may be awash very soon.
Not that they are alone. Most of Florida’s senior politicians – in particular, Senator Marco Rubio, former governor Jeb Bush and current governor Rick Scott, all Republican climate-change deniers – have refused to act or respond to warnings of people like Wanless or Harlem or to give media interviews to explain their stance, though Rubio, a Republican party star and a possible 2016 presidential contender, has made his views clear in speeches. “I do not believe that human activity is causing these dramatic changes to our climate the way these scientists are portraying it. I do not believe that the laws that they propose we pass will do anything about it, except it will destroy our economy,” he said recently. Miami is in denial in every sense, it would seem. Or as Wanless puts it: “People are simply sticking their heads in the sand. It is mind-boggling.”
Not surprisingly, Rubio’s insistence that his state is no danger from climate change has brought him into conflict with local people. Philip Stoddard, the mayor of South Miami, has a particularly succinct view of the man and his stance. “Rubio is an idiot,” says Stoddard. “He says he is not a scientist so he doesn’t have a view about climate change and sea-level rise and so won’t do anything about it. Yet Florida’s other senator, Democrat Bill Nelson, is holding field hearings where scientists can tell people what the data means. Unfortunately, not enough people follow his example. And all the time, the waters are rising.”
Philip Stoddard is particularly well-placed to judge what is happening to Miami. Tall, thin, with a dry sense of humour, he is a politician, having won two successive elections to be mayor of South Miami, and a scientist, a biology professor at Florida International University. The backyard of the home that he shares with his architect wife, Grey Reid, reflects his passion for the living world. While most other South Miami residences sport bright blue swimming pools and barbecues, Stoddard has created a small lake, fringed with palms and ferns, that would do justice to the swampy Everglades near his home. Bass, koi and mosquito fish swim here, while bright dragonflies and zebra lapwing butterflies flit overhead. It is a naturalists’ haven but Stoddard is under no illusions about the risks facing his home. Although several miles inland, the house is certainly not immune to the changes that threaten to engulf south Florida.
“The thing about Miami is that when it goes, it will all be gone,” says Stoddard. “I used to work at Cornell University and every morning, when I went to work, I climbed more elevation than exists in the entire state of Florida. Our living-room floor here in south Miami is at an elevation of 10 feet above sea level at present. There are significant parts of south Florida that are less than six feet above sea level and which are now under serious threat of inundation.”
Nor will south Florida have to wait that long for the devastation to come. Long before the seas have risen a further three or four feet, there will be irreversible breakdowns in society, he says. “Another foot of sea-level rise will be enough to bring salt water into our fresh water supplies and our sewage system. Those services will be lost when that happens,” says Stoddard.
“You won’t be able to flush away your sewage and taps will no longer provide homes with fresh water. Then you will find you will no longer be able to get flood insurance for your home. Land and property values will plummet and people will start to leave. Places like South Miami will no longer be able to raise enough taxes to run our neighbourhoods. Where will we find the money to fund police to protect us or fire services to tackle house fires? Will there even be enough water pressure for their fire hoses? It takes us into all sorts of post-apocalyptic scenarios. And that is only with a one-foot sea-level rise. It makes one thing clear though: mayhem is coming.”
And then there is the issue of Turkey Point nuclear plant, which lies 24 miles south of Miami. Its operators insist it can survive sea surges and hurricanes and point out that its reactor vessel has been built 20 feet above sea level. But critics who include Stoddard, Harlem and others argue that anciliary equipment – including emergency diesel generators that are crucial to keeping cooling waters circulating in the event of power failure – are not so well protected. In the event of sea rise and a major storm surge, a power supply disruption could cause a repeat of the Fukushima accident of 2011, they claim. In addition, inundation maps like those prepared by Harlem show that with a three-foot sea-level rise, Turkey Point will be cut off from the mainland and will become accessible only by boat or aircraft. And the higher the seas go, the deeper it will be submerged.
Turkey Point was built in the 1970s when sea level rises were not an issue, of course. But for scientists like Ben Kirtman, they are now a fact of life. The problem is that many planners and managers still do not take the threat into account when planning for the future, he argues. A classic example is provided by the state’s water management. South Florida, because it is so low-lying, is criss-crossed with canals that take away water when there is heavy rainfall and let it pour into the sea.
“But if you have sea level rises of much more than a foot in the near future, when you raise the canal gates to let the rain water out, you will find sea water rushing in instead,” Kirtman said. “The answer is to install massive pumps as they have done in New Orleans. Admittedly, these are expensive. They each cost millions of dollars. But we are going to need them and if we don’t act now we are going to get caught out. The trouble is that no one is thinking about climate change or sea-level rises at a senior management level.”
The problem stems from the top, Kirtman said, from the absolute insistence of influential climate change deniers that global warming is not happening. “When statesmen like Rubio say things like that, they make it very, very hard for anything to get done on a local level – for instance for Miami to raise the millions it needs to build new sewers and canals. If local people have been told by their leaders that global warming is not happening, they will simply assume you are wasting their money by building defences against it.
“But global warming is occurring. That is absolutely unequivocal. Since the 1950s, the climate system has warmed. That is an absolute fact. And we are now 95% sure that that warming is due to human activities. If I was 95% sure that my house was on fire, would I get out? Obviously I would. It is straightforward.”
This point is backed by Harold Wanless. “Every day we continue to pump uncontrolled amounts of greenhouse gas into the atmosphere, we strengthen the monster that is going to consume us. We are heating up the atmosphere and then we are heating up the oceans so that they expand and rise. There doesn’t look as if anything is going to stop that. People are starting to plan in Miami but really they just don’t see where it is all going.”
Thus one of the great cities of the world faces obliteration in the coming decades. “It is over for south Florida. It is as simple as that. Nor is it on its own,” Wanless admits.
“The next two or three feet of sea-level rise that we get will do away with just about every barrier island we have across the planet. Then, when rises get to four-to-six feet, all the world’s great river deltas will disappear and with them the great stretches of agricultural land that surrounds them. People still have their heads in the sand about this but it is coming. Miami is just the start. It is worth watching just for that reason alone. It is a major US city and it is going to let itself drown.”
guardian.co.uk © Guardian News and Media 2014
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