Betting on climate change

A blue-sky proposal by an Asian investment bank raises questions of propriety.

It seems like this is the sort of thing that gets the finance industry a bad name:

A financial product could be constructed with payments linked to a sea-level index, and featuring some characteristics similar to a catastrophe bond or weather derivative...

Protection would come in the form of a higher payment to the policyholder if the sea level rises more quickly than expected and a lower or zero payment if the sea level rises less quickly. Some creativity would be needed to make such a product acceptable to both the policyholder and insurer, but it is quite feasible.

But quite apart from the questionable PR which would result from creating such a product, it probably wouldn't work, as alphaville point out:

In terms of getting the technicals of the product down pat, well why not. But thinking about it – you (as the insurer) would be selling insurance on a potentially massive, truly systemic risk here. Something that could – over time – remove island nations from the map altogether. Not something you can hide from using the law of large numbers, quite possibly.

The chart accompanying the original study shows that 37.2 million people in India alone are at risk from sea-level rises by 2050, and well over 100 million in Asia alone -- as well as another 8 million in the USA. It is likely global catastrophe of that level isn't something the world financial system could escape unscathed, so while the creator of these bonds would make a nice income in the years leading up to disaster -- and an even nicer one if climate change was indeed averted -- anyone expecting that the insurance they had purchased would actually protect them against anything would be in for a nasty surprise. Almost as nasty as the people living in coastal areas.

Floods in Peru. Credit: Getty

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Hillary Clinton can take down the Donald Trump bogeyman - but she's up against the real thing

Donald Trump still has time to transform. 

Eight years later than hoped, Hillary Clinton finally ascended to the stage at the Democratic National Convention and accepted the nomination for President. 

Like her cheerleaders, the Obamas, she was strongest when addressing the invisible bogeyman - her rival for President, Donald Trump. 

Clinton looked the commander in chief when she dissed The Donald's claims to expertise on terrorism. 

Now Donald Trump says, and this is a quote, "I know more about ISIS than the generals do"

No, Donald, you don't.

He thinks that he knows more than our military because he claimed our armed forces are "a disaster."

Well, I've had the privilege to work closely with our troops and our veterans for many years.

Trump boasted that he alone could fix America. "Isn't he forgetting?" she asked:

Troops on the front lines. Police officers and fire fighters who run toward danger. Doctors and nurses who care for us. Teachers who change lives. Entrepreneurs who see possibilities in every problem.

Clinton's message was clear: I'm a team player. She praised supporters of her former rival for the nomination, Bernie Sanders, and concluded her takedown of Trump's ability as a fixer by declaring: "Americans don't say: 'I alone can fix it.' We say: 'We'll fix it together.'"

Being the opposite of Trump suits Clinton. As she acknowledged in her speech, she is not a natural public performer. But her cool, policy-packed speech served as a rebuke to Trump. She is most convincing when serious, and luckily that sets her apart from her rival. 

The Trump in the room with her at the convention was a boorish caricature, a man who describes women as pigs. "There is no other Donald Trump," she said. "This is it."

Clinton and her supporters are right to focus on personality. When it comes to the nuclear button, most fair-minded people on both left and right would prefer to give the decision to a rational, experienced character over one who enjoys a good explosion. 

But the fact is, outside of the convention arena, Trump still controls the narrative on Trump.

Trump has previously stated clearly his aim to "pivot" to the centre. He has declared that he can change "to anything I want to change to".  In his own speech, Trump forewent his usual diatribe for statistics about African-American children in poverty. He talked about embracing "crying mothers", "laid-off factory workers" and making sure "all of our kids are treated equally". His wife Melania opted for a speech so mainstream it was said to be borrowed from Michelle Obama. 

His personal attacks have also narrowed. Where once his Twitter feed was spattered with references to "lying Ted Cruz" and "little Marco Rubio", now the bile is focused on one person: "crooked Hillary Clinton". Just as Clinton defines herself against a caricature of him, so Trump is defining himself against one of her. 

Trump may not be able to maintain a more moderate image - at a press conference after his speech, he lashed out at his former rival, Ted Cruz. But if he can tone down his rhetoric until November, he will no longer be the bogeyman Clinton can shine so brilliantly against.