November 23, 2024

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A little nitrogen versus a lot of carbon dioxide: The ‘Porthos Affair’ is a battle of directions |  climate

A little nitrogen versus a lot of carbon dioxide: The ‘Porthos Affair’ is a battle of directions | climate

Is a little nitrogen in sand dunes negligible? On Wednesday morning, the verdict will be heard in the lawsuit against Porthos, an underground carbon dioxide storage project. In fact, the issue is about the battle of trends over climate, and in four years there will be a stalemate on the nitrogen crisis.

The exemption from construction decreased in the previous session

Since this nitrogen pollution continues to accumulate, there is officially no room for an increase in nitrogen emissions. And this is a lingering problem for the rest of the economy, including construction. The construction sector emits relatively little nitrogen.

To get out of this predicament, the construction industry was granted an exemption. The court declared it invalid in a previous session in the Porthos case. As long as there is no place left for nitrogen, the extent of the damage to nature must be assessed for each new construction project.

In the continuation of the lawsuit, this also applies to the Porthos project itself. There may be a final line through it.

De olieraffinaderij van Shell in Pernis is de grootste van Europa.

“Essential for the carbon dioxide storage experiment”

This does not only affect the Dutch climate targets. If we want to stay close to 1.5 degrees for the Paris Agreement, it is important that we have many options, including carbon dioxide storage. So says Detlev van Vouren, a climate researcher at the Netherlands Environmental Assessment Agency and Utrecht University.

For this, global emissions must be net zero in 2050, and even negative thereafter. Now that seems difficult without the use of carbon dioxide storage. “So it’s important to experiment with technology,” says Van Vuuren.

This hasn’t gone anywhere yet. As large storage projects are being shut down, there has been little progress in developing the technology over the past 15 years. In 2010, for example, a smaller-scale experiment near Barendrecht in the Netherlands was called off.

‘Climate change is also causing harm to nature’

The truth lies somewhat in the middle, says Van Vouren. Older climate scenarios often assumed a larger share of CO2 storage, for example in coal-fired power plants. This option is off the table because sustainable energy has grown faster in practice and has also become much cheaper than thought at the time.

But let’s not lose sight of the environmental damage caused by climate change, says Porthos spokesperson Sjaak Poppe. “If the Greenland ice sheet melts, the sea level will rise 7 meters and the fragile nature we are talking about will be flooded, so to speak.”

In short, it is a difficult case for a judge. As long as the nitrogen bucket is filled to the brim, it probably won’t be the last for a while, either.

Meer over de Porthos-zaak: