Thursday, June 11th, 2009 | Author:

Saving rainforests needs both property rights and payments

Still Pictures

Still Pictures

Forests lock up a lot of carbon. Cutting them down accounts for around 20% of the world’s emissions of greenhouse gases. On paper, halting deforestation should be the simplest way to cut emissions. Achieving a similar reduction by building wind turbines or nuclear-power stations, or by mandating more fuel-efficient cars and buildings, would take years and cost billions. In practice, however, halting deforestation is hard: much of the world’s rainforest has already succumbed to loggers and farmers. That is because it is difficult to align the interests of people who live in forests (now 20m in the Brazilian Amazon) with those of the rest of humanity.

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Friday, May 29th, 2009 | Author:

Seat-of-the-pants estimates won’t be enough to cool the world

Still Pictures: Try counting the trees

The human impact of climate change “is difficult to assess reliably”, say the authors of a new report from the Global Humanitarian Forum, a think-tank run by Kofi Annan, a former United Nations secretary-general, aided by a raft of eminent folk. But they make a stab, reaching the conclusion that 325m people around the world are seriously affected by climate change every year and that this number could more than double, to around 660m, by 2030.

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Thursday, May 21st, 2009 | Author:

A hitherto unknown way of burying carbon at the bottom of the sea

In 2006 Mario Lebrato and Daniel Jones of the National Oceanography Centre in Southampton, England, were using a remotely operated deep-sea vehicle to study the sea floor near an oil pipeline off Côte d’Ivoire. What they found surprised them. It was a thaliacean graveyard. And its discovery throws into question the received wisdom about one important aspect of climate change, namely how much carbon from the atmosphere ends up at the bottom of the sea.

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Wednesday, April 08th, 2009 | Author:

Everyone is green now, at least in theory. A warming planet has panicked the world into looking for alternatives to fossil fuels even as billions of people begin to achieve the sort of luxurious Western lifestyle that will, without reform, cook the Earth. If the science of climate change is fast-moving, the politics are even faster, with a huge array of treaties, promises, pledges and targets giving the appearance of lots of action—but with little actually being achieved. Three books take very different approaches to sizing up the problem.

Alamy

Anthony Giddens, a professor at the London School of Economics, is a sociologist most famous for developing the “Third Way”, the centre-leftish political philosophy espoused by Tony Blair and Bill Clinton. His book argues that the scale of the climate-change problem and the difficulty of reconciling greenery with development demands a new political approach.

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Thursday, April 02nd, 2009 | Author:

Gordon Brown’s New Deal will do little to advance renewable energy

One of the most impressive monuments to Franklin D. Roosevelt’s New Deal is the network of dams that stud the Tennessee River valley, built to provide work and to modernise a backward corner of America during the Great Depression. Seventy-five years later and on the other side of the Atlantic, work is once again growing scarce and an economy is in need of modernisation, this time to secure energy supplies and slash the release of planet-heating greenhouse gases. The British government has been playing up the parallels, with much ministerial talk of a “Green New Deal”. In March Gordon Brown promised the creation of a “low-carbon economy” for Britain that would provide jobs and clean up industry. Lord Mandelson, his business secretary, talked of a new industrial revolution and said that there was “no high-carbon future”.

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