Almost immediately after being sworn in as Prime Minister, Kevin Rudd has signed the instrument of ratification of the Kyoto Protocol. Of course, it’s only a first step, but one that seemed well beyond us only a couple of years ago.

The formal ratification process will take 90 days, but the effect is that Australia can take part in the Bali conference as a full participant, leaving only one significant holdout – the Bush Administration in the United States.

A significant side benefit for Australia is that our attendance at Bali as a participant rather than a spoiler will help to cement the improvement in our often fraught relationship with Indonesia, evident since Rudd replaced Howard.

There’s too much happening on climate change to keep up with it all, so I’ll give some links

* In Crikey, Guy Pearse points out that in 1990 the Liberals had a policy to cut greenhouse gas emissions over the next decade. His book, High and Dry, showed where that all went. If the predicted wipeout occurs, the climate delusionists in the government’s ranks (and in its leadership) will bear a large share of the responsibility.

* The IPCC Fourth Assessment Report is finally complete, and provides a strong call for action. Here’s Howard’s response.

* Giving the lie to regular claims that the EU is not serious about cutting emissions, the EU Parliament has imposed caps on emissions from the airline industry, stronger than those suggested by the EU commission.

* A call for action from Kate Carroll of Greenpeace

* More surprisingly, the same from former NSW Liberal leader, Peter Debnam

Not surprisingly, this Nature article by Gwyn Prins and Steve Rayner entitled Time to ditch Kyoto, has attracted plenty of attention. I’m responding quickly and therefore somewhat brusquely. I’ll try to write something more considered a bit later.

Before giving a detailed response, let me observe that a reader with limited time need only look at the following few sentences

In September, the United States convened the top 16 polluters. Such initiatives are summarily dismissed by Kyoto’s true believers, who see them as diversions rather than necessary first steps. However, these approaches begin to recognize the reality that fewer than 20 countries are responsible for about 80% of the world’s emissions.

This argument is premised on the assumption that the Bush Administration, representing the world’s largest source of emissions (though China is catching up fast), sincerely wants to do something about climate change and called the September meeting with this purpose in mind. If anyone believes this, I have just become aware of a business opportunity from Nigeria in which they may be interested.
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I spent the last couple of days in Canberra at the Coral Reef Futures Forum, as part of my new Federation Fellowship is to look at economic approaches to management of the Great Barrier Reef. As one of the speakers said, a lot of the talks had people staring at their shoes in gloom, though the tone got a little more positive towards the end. I’m an optimist on ecological issues which is fortunate, because when you look at the threats facing coral reefs, you need a lot of optimism. Looking at historical data, even the GBR, which is much better managed than most reef systems is significantly degraded relative to 100 years ago, and a large proportion of reefs are at or near the point of no return, thanks to overfishing, destructive fishing methods and marine pollution. When you add regular bleaching due to climate change, and also acidification due to higher CO2 levels, the chances of saving much of the world’s coral reef systems do not look too good.

The most hopeful view is that, if we can fix the local threats like overfishing and poor water quality, the resulting increase in resilience (part of my project is to develop a more rigorous understanding of this popular buzzword) will offset moderate global warming, so that if we can stabilise the climate (an increase of no more than 2 degrees) we might save at least some reef systems.
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A couple of months ago, there seemed to be some hope that the record-breaking drought in south-eastern Australia was breaking. There was good rain, and the switch from El Nino to La Nina seemed to be established. Now, it seems, those hopes are gone. The really good rain was confined to coastal areas, most notably Sydney. Temporary water entitlements are now going for $1000 a megalitre, and irrigators are likely to receive something like 5 per cent of their normal allocations.

The water market should do some good in ensuring that water flows where it is most needed, most obviously in keeping tree crops alive. But water is also needed for cities and towns in the Murray-Darling Basin and for Adelaide, so the market will have to be combined with administrative allocation, and there may be a need for emergency measures.

In these circumstances, the last thing we need is the continuing squabbling between Federal and State governments, and within the Federal government between Nationals and Liberals, which has led to only marginal progress under the National Water Initiative. It’s likely that nothing much will happen until after the Federal election and, to be fair, there’s not much that can be done until we see how bad the summer is going to be. But it seems clear that the incoming government will have an emergency on its hands.

Nanni at RSMG has more on the limitations of demand management. This is not going to be an easy problem to solve.

Meanwhile, and relatedly, several species of coral and many seaweeds have been listed as vulnerable or critically endangered as a result of climate change, specifically the increasing frequency and severity of El Niño events.