Karen McVeigh

Last year’s litter survey found an average of one plastic bag every 100 metres, compared with five every 100 metres in 2014. Photograph: mauritius images GmbH/Alamy The number of plastic bags washed…

The last time the Thames broke its banks and flooded central London was on 7 January 1928, when a storm sent record water levels up the tidal river, from Greenwich and Woolwich in the east as far as…

Noise pollution from proposed deep-sea mining could radiate through the ocean for hundreds of kilometres, scientists predict, creating a “cylinder of sound” from the surface to the sea bed.

A tsunami could soon hit major cities on or near the Mediterranean Sea including Marseille, Alexandria and Istanbul, with a nearly 100% chance of a wave reaching more than a metre high in the next 30…

Negotiators aim to agree on legal framework for protecting international waters that are key to ‘life as we know it’ The world has a “once in a lifetime” chance to protect the high seas from…

The only indigenous people left in Europe are struggling to keep their way of life as the Arctic warms up

Online retailer disputes study saying it produced 270,000 tonnes of packaging last year, with 10,000 tonnes likely to end up in seas Amazon’s plastic packaging waste soared by almost a third, to…

New research sees two-thirds of mollusc types only found living by hydrothermal vents added to IUCN’s red list of endangered species Almost two-thirds of the hundreds of mollusc species that live…

Billions of these tiny plastic pellets are floating in the ocean, causing as much damage as oil spills, yet they are still not classified as hazardous

International Maritime Organization lacks urgency needed to tackle climate crisis, say campaigners A decision by the International Maritime Organization (IMO) and its member states not to revise…

Deep sea mining firms claim their rare metals are necessary to power clean tech – but with even major electric car firms now backing a moratorium, critics say there is an alternative.

Small-scale fishers say mostly EU fleet is devastating catches with method that nets entire shoals of fish. The UK has been accused of allowing a fleet of mainly EU “fly-shooting” fishing boats “…

After studying how microplastics damage the oceans, schoolgirl Lizzie wants the government to stop sending waste to developing countries. A petition by a nine-year-old schoolgirl calling on Boris…

Focus must be on justice for those fleeing impact of extreme weather events, says new scientific adviser to Vatican. The pope’s newly appointed scientific adviser said the coronavirus pandemic has…