Weirs, culverts and sluices among 602 barriers demolished in year in attempt to restore 15,500 miles of rivers by 2030
A few miles downstream from a lava field in western Iceland, the gargle of free-flowing water is unbroken for the first time in decades after hydraulic peckers chipped away at a dilapidated dam that once powered a farm. The structure on the River Melsá had continued to block fish migration long after falling into disrepair.
“It wasn’t providing any electricity; the old power house had sheep living in it,” said Hamish Moir, a river engineer from CBEC, a Scottish firm that provided technical support for the demolition in December. To see the river restored to its natural state was “really rewarding”, he said.
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05/21/2026 - 07:14
05/21/2026 - 05:41
Colombia is a global leader in climate activism. Could US influence drag country to a future of mining and fracking?
Several hours after dark in a quiet Caribbean neighbourhood, a cluster of environmental activists gather on plastic chairs between a mango tree and a courtyard wall emblazoned with the words “Colombia, respira!” (Breathe, Colombia).
So many people have turned up that some have to stand. That is because tonight’s speaker is Susana Muhamad, one of the most admired socio-environmental campaigners in the world, and this is a moment of profound historical significance.
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05/21/2026 - 05:39
Republican senators have queried the timing and lack of detail in secret service bid to add money to the Department for Homeland security bill
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In addition to the indictment of former Cuban leader Raul Castro and Trump’s comments about Cuba being a “failed nation,” US secretary of state Marco Rubio delivered a direct video address to the Cuban people in Spanish Wednesday.
“The real reason you don’t have electricity, fuel, or food is because those who control your country have plundered billions of dollars, but nothing has been used to help the people,” he said.
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05/21/2026 - 04:15
One Nation proposal would abolish offshore gas profits tax and acquire 30% equity in new projects in a move the Coalition says is ‘borrowed from Venezuela’
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One Nation has vowed to replace the contentious offshore gas profits tax and acquire 30% equity stakes in new ventures under an interventionist policy designed to extract “vastly greater returns” for Australian taxpayers from the resource.
The proposal for the commonwealth to co-own gas projects drew a mix of criticism and cynicism from the government, industry and the Coalition, which accused One Nation of importing ideas from Venezuela.
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05/21/2026 - 00:01
A new exhibition, Jurassic Oceans, showcases the fearsome creatures that lurked below the surface – and offers a stark warning about the impact of warming waters on marine ecosystems today
Deep in the bowels of the Natural History Museum, Kate Whittington is standing in front of the skeleton of a 23ft plesiosaur, one of prehistoric Earth’s most fearsome marine reptiles, explaining how it would eat us for dinner, were it still around today.
“Its long neck allowed its head to get a head start on its body,” says the museum’s exhibition and interpretation manager. “So it could sneak up on prey and grab it [with its mouth] before its body and flippers created a disturbance in the water.”
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05/21/2026 - 00:01
Without urgent intervention England faces water shortages of 5bn litres a day by 2055, peers tell government
Rainwater harvesting, the use of grey water in homes and an urgent campaign to reduce water usage across society are vital to prevent water shortages of 5bn litres a day by 2055, the government has been told.
Without intervention, England will face severe water shortages in the coming decades, as climate change-induced weather patterns, population growth and the expansion of industries such as water-intensive datacentres put excessive demand on supplies and endanger life, according to a House of Lords report published on Thursday.
Changes to building regulations to require new homes to achieve a maximum water usage of 105 litres a person a day and accelerated grey water reuse.
Nature-based solutions such as restoring peat bogs and reconnecting rivers to their natural flood plains to enhance water retention.
An urgent awareness campaign for the whole of society to reduce water usage.
A full environmental and economic assessment of drought to weigh the cost of inaction against the value of resilience.
The rolling out of nature-based solutions more widely in urban and rural settings.
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05/21/2026 - 00:00
Flea treatment chemicals fipronil and imidacloprid also implicated in lower cognitive scores in children with autism
Toxic chemicals found in pet flea treatment are devastating wildlife in rivers, parks and special conservation areas and the government should take urgent action to limit their use, according to a study.
Chemicals that are banned for use as pesticides but still used in liquid flea treatments are causing potentially irreversible harm to aquatic life as well as decimating birds and pollinators, according to the study published on Thursday.
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05/20/2026 - 22:18
The US, Russia, Iran and Saudi Arabia – some of the highest oil-producing nations and major greenhouse gas emitters – opposed the measure
The UN has voted 141-8 to adopt a resolution backing a world court opinion that countries have a legal obligation to address climate change, with the US – which is the world’s biggest historical emitter – among the small group opposing it.
The UN secretary general, António Guterres, said Wednesday’s general assembly vote, in which 28 countries abstained, underscored that governments are responsible for protecting citizens from the “escalating climate crisis”.
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05/20/2026 - 15:04
Suit says administration is impinging on rights to life and liberty by worsening planet-warming and toxic pollution
Eva v Goliath: the 20-year-old climate activist taking on Trump and the fossil fuel industry
Eighteen American youth are demanding that a court immediately halt the Trump administration’s repeal of the scientific finding underpinning virtually all US climate regulations.
The plaintiffs sued the Trump administration in February days after officials revoked the 2009 endangerment finding, which found that greenhouse gas pollution threatens public health and welfare. Filed in the Washington DC circuit court of appeals Venner v EPA alleges that the move infringes upon rights guaranteed by the US constitution, including to religious freedom, life and liberty.
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05/20/2026 - 13:43
Climate change is pushing starving grey whales to San Francisco Bay, where ship strikes led to 40% of 21 deaths
Ferries, cargo ships and tankers cut through choppy waters in the San Francisco Bay on Tuesday as a whale surfaced nearby, its spout barely visible against the white caps. Until now, whales could easily go unnoticed by mariners, but an AI-powered detection network launched this week is designed to track them day and night.
The system, called WhaleSpotter, scans the bay around the clock for whale blows and heat signatures up to 2 nautical miles away, alerting mariners to slow down or reroute when whales are nearby.
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