Analysis: Action on global climate may drift for years

LONDON (Reuters) - International action on climate change looks set to drift for the next two years as politicians waver in the wake of the financial crisis, despite a new report which says the last three decades were the warmest on record.

Recession in industrialized countries has focused attention on the cost of cutting carbon emissions. And green motivations suffered a huge blow with the failure of U.N. negotiations to deliver a deal in Copenhagen in December.

Talks resume next week in Bonn, Germany, but a new draft text is as vague as ever on targets or a timetable to cut emissions.

"I suspect that we're in for a fairly long period of slowdown, you're talking about a two to three years' timeframe before you restore the political momentum," said Tom Burke of Imperial College London.

The global renewable energy market is tipped to have a record year in 2010, thanks to existing support and subsidies, but a climate deal would boost investment above the current level of about $200 billion annually.

Global consensus would add pressure to introduce national carbon caps. The United States and Australia each confirmed last week legislative delays on industry carbon emissions caps.

"Domestically, there is going to be (U.S.) climate policy, in terms of congressional action it's less likely," said Harvard University's Robert Stavins, referring to state regulations which will likely apply in lieu of a stalled climate bill.

The most likely scenario for approval of a bill could be if U.S. President Barack Obama won a second term, from 2013, when recession was well over, Stavins added.

The U.S. delay would come as a "major disappointment" to governments and environmental groups, said Robert Watson, chief scientist at Britain's environment ministry.

"What signal does that send to other governments as they go into negotiations leading up to Cancun and beyond?" he said, referring to the next major U.N. climate meeting in Mexico at the end of the year.

The U.N. negotiations are meant to deliver a new deal to succeed the Kyoto Protocol whose present round expires in 2012.

LOOKING OVER THE CLIFF

The negotiation doldrums are partly a failure of nerve.

"Governments have taken a look over the cliff and seen what's really involved in getting to a carbon neutral energy system by 2050 and have thought -- 'Whoops, do we really know how to do this?'," said Tom Burke.

"You're talking, in terms of making the changes necessary to deal with climate change, of unzipping the business model of the oil companies."

The latest delays to U.S. and Australian legislation will only spur opposition from the fossil fuel industry, for instance in Europe over a decision on whether or not to strengthen carbon curbs through 2020.

China and other emerging economies may face less opposition from their fossil fuel industries, because increasing power demand is such that the priority is simply to add new capacity.

"It's that much harder in mature economies because it's about substitution, which puts you up against incumbents," said HSBC analyst Nick Robins. It means replacement of aging power plants rather than building additional capacity.

For all its renewable energy ambition, China's carbon emissions are surging [ID:nLDE6580Y1], but it says the onus of action is on developed countries, a long-running bone of contention in the U.N. process.

A long-term global goal to limit warming to 2 degrees Celsius, aspired to in Copenhagen, appears out of reach.

The target was "essentially infeasible for technical reasons," said Richard Tol, research professor at the Economic and Social Research Institute in Dublin. Harvard's Stavins also called it "politically infeasible."

The "climategate" furor over the reliability of climate science, following leaked emails and disclosure of two errors in a U.N. report, may be blowing over, however.

A "State of the Climate report" published on Wednesday found that evidence from a wide range of sources including land, ocean and air temperatures as well as ice cover pointed to a warming world, culminating to make the last decade the hottest on record.

The report did not focus on the cause of warming but, when asked, contributors said humans were to blame.

"The consistent picture from numerous studies looking at that particular question is that you can only explain all these changes at the global and regional scales by invoking human causes," author and editor Peter Thorne told Reuters.

(Editing by Andrew Roche)