Tag Archives: 450 ppm

IPCC graph of the day: bridging a gap of >600 ppm – immediate clamp down on fossil fuels required

Yesterday we took a look at what we have been doing over the past 40 years. Now we take a look at what we will be doing over the rest of the 21st century. It’s a real shocker to look … Continue reading →

2 degrees warmer climate in late Pliocene meant 12-32 meters higher sea levels

That would likely mean that also the official UN climate goal of limiting the average world temperature rise to no more than 2 degrees Celsius – a target linked to 450 ppm CO2 equivalent stabilisation scenarios (practically ambitious, theoretically weak) … Continue reading →

Nuclear future on balance: world has not responded to Fukushima, Europe has

And of course Japan has too – as suffering such damage demands a general policy reevaluation. Apparently different political systems apply different forms of logic, a new report states. But we have just one investment market…

CDR geoengineering challenge: low-carbon cement, high-carbon concrete

Current practice is to grind and burn enormous amounts of limestone, releasing equally enormous amounts of CO2 to the atmosphere. But isn’t there some way to reverse the chemical process and still end up with building material?

Despite recession carbon emissions keep rising to new records

We knew CO2 emissions reached a new record high in 2010, at 30.6 gigatonnes. Now a new study by CICERO, the Tyndall Centre and other institutes reconfirms the strong rebound after the 2008 global financial crisis – and predicts that … Continue reading →

IEA World Energy Outlook 2011: ‘we need to invest 10,000,000,000,000 dollars in oil’

On Wednesday the International Energy Agency will release the 2011 edition of the World Energy Outlook. Some energy investment figures from the new IEA report have already been made available though – including a proposed 10 trillion dollar investment in … Continue reading →

Saudi proven oil reserves no longer world’s largest – Latin American proven reserves grow 400 percent in 4 years

According to a release by Latin American Energy Organisation OLADE last Thursday Venezuela has toppled Saudi Arabia as the country with the largest proven oil reserves. New discoveries have raised the proven reserves of Venezuela from 98 billion barrels of … Continue reading →

Just 565 Gt CO2 to go till 2050 under 450 Scenario – 80% proven fossil fuel reserves should remain untouched

In order to limit global warming to an average of no more than 2 degrees Celsius, the official UN climate target, the equivalent of 2230 gigatonnes CO2 of proven fossil fuel reserves should remain in the ground, a report published … Continue reading →