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The art of good science writing

25 April 2005
Elizabeth Kolbert has the first of three articles on climate change in the 25 April The New Yorker.

A shorty, pithy interview with Kolbert is available online. Her article for the print edition is not online, which is a pity because it is well worth reading from start to finish. Here's a taste of the clarity of her writing:

An ideal white surface, which reflected all the light that shone on it, would have an albedo of one, and an ideal black surface, which absorbed all the light, would have an albedo of zero. The albedo of the earth, in aggregate, is 0.3, meaning a little leasss than a third of sunlight that hits it gets reflected back out. Anything that changes the earth's abledo changes how much energy the planet absorbs, with potentially dramatic consequences...

Imagine [the scientist Donald Perovich tells Kolbert] that we were looking down at the earth from a spaceship above the North Pole. "It's spring time and the ice is covered with snow, and it's really bright and white. The albedo's around 0.8, 0.9. Now let's suppose that we melt that ice away and we're left with the ocean. The albedo of the ocean is less than 0.1; it's like 0.07."

"Not only is the albedo of the snow covered ice high; it's the highest we find on earth [Perovich goes on] and not only is the albedo of water low; it's pretty much as low as anything you can find on earth. So what you're doing [if the ice melts] is replacing the best reflector with the worst reflect". The more open water that's exposed, the more solar energy goes into heating the ocean. The result is a positive feedback...

"As we melt that ice back, we can put more into the system, which means we can melt the ice back even more, which means we can put more heat into it, and you see, it just kind of builds on itself", Perovich said. "It takes a small nudge to the climate system and amplifies into a big change".

[by the way, Perovich seems to have a pretty good track record destroying monsters, if the photo on his home page is anything to go by]

Caspar Henderson

Stop the secrecy: Publish the NHS COVID data deals


To: Matt Hancock, Secretary of State for Health and Social Care

We’re calling on you to immediately release details of the secret NHS data deals struck with private companies, to deliver the NHS COVID-19 datastore.

We, the public, deserve to know exactly how our personal information has been traded in this ‘unprecedented’ deal with US tech giants like Google, and firms linked to Donald Trump (Palantir) and Vote Leave (Faculty AI).

The COVID-19 datastore will hold private, personal information about every single one of us who relies on the NHS. We don’t want our personal data falling into the wrong hands.

And we don’t want private companies – many with poor reputations for protecting privacy – using it for their own commercial purposes, or to undermine the NHS.

The datastore could be an important tool in tackling the pandemic. But for it to be a success, the public has to be able to trust it.

Today, we urgently call on you to publish all the data-sharing agreements, data-impact assessments, and details of how the private companies stand to profit from their involvement.

The NHS is a precious public institution. Any involvement from private companies should be open to public scrutiny and debate. We need more transparency during this pandemic – not less.


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