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A vast number of new wastewater treatment plants in developing countries has led to an imbalance between phosphorous and nitrogen in surface waters. The result could be excessive growth of potentially poisonous algae with a preference for nitrogen. A new study calls for better nutrient reduction in order to maintain ecosystem biodiversity.

Faced with the increased threats posed by overexploitation of marine resources, pollution and climate change, urgent action is needed to bring Europe’s seas back to good condition. According to the European Environment Agency’s report on Europe’s marine ecosystems, published today, we are running out of time to reverse decades of neglect and misuse.

OPINION: Near half of the global plastic leakage from land to sea comes from a few countries in Southeast Asia. To overcome the plastic problem, we need to treat the cause and not just the symptoms. We must turn the spotlight on the sources.

REV Ocean and the Norwegian Institute for Water Research (NIVA) coordinate actions against plastic pollution, action for blue forests, and collection of ocean data through marine drones and FerryBox ships of opportunity.

Dei siste tretti åra har konsentrasjonen av kvikksølv auka i torsken i Oslofjorden, jamvel om utsleppa av miljøgifta er reduserte. Samstundes er òg gjennomsnittstorsken forskarane har teke prøvar av frå fjorden vorten større. Er dei auka kvikksølvnivåa rett og slett eit resultat av at torsken har vakse?

NIVA's ecotox laboratory is the first lab in Norway to be accepted as a formal member of the EU-NETVAL (European Union Network of Laboratories for the Validation of Alternative Methods).

Something has happened in the ocean – completely out of view – that destroyed Norway’s kelp forests across an estimated 8400 km2.

Some may have never heard of the term Cryosphere, though most know where the Earth is covered by ice and snow either seasonally or year-round. Climate change is happening in the Cryosphere faster and more dramatically than anywhere else on earth. The first State of the Cryosphere report, reviewed and supported by nearly 50 leading cryosphere scientists and with over half of them Intergovernmental Panel on Climate Change (IPCC) authors, has been released and will come out annually every year until 2030.

The Norwegian Institute for Water Research (NIVA) has recently been awarded funding to lead a new EU project that will investigate the interaction between all European regulations that affect governance of Europe’s seas and coasts.

Klimaendringer, deriblant havforsuring, påvirker mange planter og dyr i sjøen på ulike måter. Fersk forskning tilsier at tare kan nyte fordeler av noen av endringene.

Microalgae are a renewable resource. They absorb CO2 as they grow and reproduce themselves at a rapid pace. It is time to put them to use.