Good news Monday: US emission projections drop for a fifth year running

Maybe we won't all die?

Business Insider's Joe Weisenthal highlights some good news to start the week. Projections of US CO2 emissions in 2030 at the lowest they've been in five years, according to the 2013 Annual Energy Outlook, the long-term predictions of the US Energy Information Administration.

This chart, from the EIA, shows the changes:

The administration gives five reasons for the decline in expected CO2 emissions between 2009 and 2013:

  1. Downward revisions in the economic growth outlook, which dampens energy demand growth;
  2. Lower transportation sector consumption of conventional fuels based on updated fuel economy standards, increased penetration of alternative fuels, and more modest growth in light-duty vehicle miles traveled;
  3. Generally higher energy prices, with the notable exception of natural gas, where recent and projected prices reflect the development of shale gas resources;
  4. Slower growth in electricity demand and increased use of low-carbon fuels for generation;
  5. Increased use of natural gas

Sober Look ties the news to the continued failure of the US to enact a successful cap-and-trade programme, writing:

One of the reasons for the failure of the so-called cap & trade program in the US (other than political), has to do with the fact that carbon emissions have declined on their own - without any caps. And why would a company pay for an emissions "allowance" if it can stay under the cap without it. Of course politically it made no sense to force companies to pay at the time when they were emitting materially less carbon on their own. Furthermore, there was no incentive for investors to hold these contracts because each year the long-term projections for carbon emissions in the US have declined.

That analysis is undoubtedly correct; the US cap and trade system was predicated on limiting the growth in emissions, and if they are naturally falling then clearly that limit will be moot.

That said, all it really does is highlight the appalling lack of ambition of the American climate programmes – not that the European cap-and-trade programme is doing much better. This is another argument in favour of carbon taxes versus cap-and-trade programmes; if you get the cap wrong on cap-and-trade, your programme is useless, but no matter what the value of a carbon tax, it will always have some effect.

Photograph: Getty Images

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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Inside a shaken city: "I just want to be anywhere that’s not Manchester”

The morning after the bombing of the Manchester Arena has left the city's residents jumpy.

On Tuesday morning, the streets in Manchester city centre were eerily silent.

The commuter hub of Victoria Station - which backs onto the arena - was closed as police combed the area for clues, and despite Mayor Andy Burnham’s line of "business as usual", it looked like people were staying away.

Manchester Arena is the second largest indoor concert venue in Europe. With a capacity crowd of 18,000, on Monday night the venue was packed with young people from around the country - at least 22 of whom will never come home. At around 10.33pm, a suicide bomber detonated his device near the exit. Among the dead was an eight-year-old girl. Many more victims remain in hospital. 

Those Mancunians who were not alerted by the sirens woke to the news of their city's worst terrorist attack. Still, as the day went on, the city’s hubbub soon returned and, by lunchtime, there were shoppers and workers milling around Exchange Square and the town hall.

Tourists snapped images of the Albert Square building in the sunshine, and some even asked police for photographs like any other day.

But throughout the morning there were rumours and speculation about further incidents - the Arndale Centre was closed for a period after 11.40am while swathes of police descended, shutting off the main city centre thoroughfare of Market Street.

Corporation Street - closed off at Exchange Square - was at the centre of the city’s IRA blast. A postbox which survived the 1996 bombing stood in the foreground while officers stood guard, police tape fluttering around cordoned-off spaces.

It’s true that the streets of Manchester have known horror before, but not like this.

I spoke to students Beth and Melissa who were in the bustling centre when they saw people running from two different directions.

They vanished and ducked into River Island, when an alert came over the tannoy, and a staff member herded them through the back door onto the street.

“There were so many police stood outside the Arndale, it was so frightening,” Melissa told me.

“We thought it will be fine, it’ll be safe after last night. There were police everywhere walking in, and we felt like it would be fine.”

Beth said that they had planned a day of shopping, and weren’t put off by the attack.

“We heard about the arena this morning but we decided to come into the city, we were watching it all these morning, but you can’t let this stop you.”

They remembered the 1996 Arndale bombing, but added: “we were too young to really understand”.

And even now they’re older, they still did not really understand what had happened to the city.

“Theres nowhere to go, where’s safe? I just want to go home,” Melissa said. “I just want to be anywhere that’s not Manchester.”

Manchester has seen this sort of thing before - but so long ago that the stunned city dwellers are at a loss. In a city which feels under siege, no one is quite sure how anyone can keep us safe from an unknown threat

“We saw armed police on the streets - there were loads just then," Melissa said. "I trust them to keep us safe.”

But other observers were less comforted by the sign of firearms.

Ben, who I encountered standing outside an office block on Corporation Street watching the police, was not too forthcoming, except to say “They don’t know what they’re looking for, do they?” as I passed.

The spirit of the city is often invoked, and ahead of a vigil tonight in Albert Square, there will be solidarity and strength from the capital of the North.

But the community values which Mancunians hold dear are shaken to the core by what has happened here.

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