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EU criticised for its ‘poor response’ after an indigenous herder is killed during a forced eviction for a water conservation project it funds

The European Union has been accused of a fatally slow response to human rights warnings after the killing of an indigenous man at one of the projects it funds in Kenya.

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Erik Solheim cites ‘huge decline’ in world’s reefs but says shift from coal and new awareness of plastic pollution are good news

The battle to save the world’s coral reefs is at “make or break point”, and countries that host them have a special responsibility to take a leadership role by limiting greenhouse gas emissions, plastic pollution and impacts from agriculture, the head of the United Nations Environment Programme (Unep) has said.

Speaking to the Guardian after the launch of International Coral Reef Initiative’s international year of the reef, Erik Solheim said he expected governments to take their efforts on reef protection in 2018 beyond symbolic designation.

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Sheffield, South Yorkshire: Conservationists are using hidden cameras, DNA testing and a sense of smell, to follow the lives of the city’s otter population

A dank winter’s day in the Steel City did not hold obvious promise of the transformative power of nature. But not far from where a gaggle of office workers were enjoying a fag break, a friendly conservation volunteer called Paul ushered me down a ladder to an otherwise inaccessible spot on the banks of the river Don. I found myself, like Alice down the rabbit-hole, in a new sort of country, a lush carpet of floating weeds and a swift-moving ribbon of clear water at my feet muffling the sound of traffic and freshening the air.

Paul and his colleague Karon were checking hidden cameras for a lottery-funded survey of Sheffield’s small otter population, called Otterly Amazing! The motion-sensitive cameras have captured these shy creatures, hunting successfully in a river so polluted when I was a boy in the 1970s that it would literally catch fire.

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Simble’s smart energy management solution to help enterprises and SMEs save money on their power bills.

The World Bank, which provides developing countries about US$60 billion a year in financial assistance, is officially phasing out its support for the oil and gas industries.

New research has challenged the view that wood bioenergy is carbon neutral, and shows wood pellets actually emit more CO2/kWhr than coal. 

A community investment plan at Sapphire Wind Farm could be the turning point the wind industry has needed for years.

2017 was the tipping point for corporate PPAs in Australia, when contracting renewables to meet energy needs became a commercially viable proposition.

Thursday's sudden outage of Victoria's Loy Yang B unit marked the 13th failure of a major coal unit this summer – and offered just the latest illustration of the vulnerability of Australia’s ageing and increasingly intermittent coal fleet.

Federal energy minister gets social media slap-down after ignoring coal plant failure in Tweet about Thursday's power price spike.

Researchers at Heriot-Watt University took more than 100 sediment samples from 13 Orkney beaches.

Habitat fragmentation is a bigger threat to Chile's wildcat than human persecution, say conservationists.

Modern cars can start in the cold, so why are manufacturers failing to make exhaust controls more efficient below 20C?

Twenty-five years ago, starting a car in winter required careful balancing of choke and accelerator and sometimes sprays of WD40 or a bump start. Now, modern vehicles simply work in the cold. However, a European parliament inquiry following the Volkswagen scandal found that the nitrogen oxides abatement systems on many diesel cars shut down below the official test temperature of 20C. Manufacturers say that this prevents engine damage and is therefore legal. Real-world driving measurements on 9,000 cars in Gothenburg, Sweden, have shown this shutdown in action. Average emissions at 10C were almost twice those at 25C.

Related: What is behind the diesel cars emissions scandal?

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If your New Year's resolutions include improving your diet, it's worth thinking about eating healthier for the planet. Michalis Hadjikakou, Research fellow, School of Life and Environmental Sciences, Faculty of Science, Engineering & Built Environment, Deakin University Licensed as Creative Commons – attribution, no derivatives.

Even with no natural climate boost, last year was the second or third hottest on record.

Data shows the year was also one of the hottest three ever recorded, with scientists warning that the ‘climate tide is rising fast’

2017 was the hottest year since global records began that was not given an additional boost by the natural climate cycle El Niño, according to new data. Even without an El Niño, the year was still exceptionally hot, being one of the top three ever recorded.

The three main global temperature records show the global surface temperature in 2017 was 1C above levels seen in pre-industrial times, with scientists certain that humanity’s fossil fuel-burning is to blame.

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Leading UK retailers say information is too ‘commercially sensitive’ to reveal, following Guardian report they make almost 1m tonnes a year

• Nearly 1m tonnes every year: supermarkets shamed for plastic packaging
  

Supermarkets are coming under growing pressure from politicians and campaigners to reveal the amount of plastic they create, and pay more towards its safe disposal, following a Guardian investigation.

Amid mounting concern about the devastating environmental impact of plastic pollution around the globe, the Guardian revealed on Wednesday that the UK’s leading supermarkets create almost 1m tonnes of plastic packaging waste every year.

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Scientists say consumers should be wary of buying any seafood that may have passed through the area until the toxic impact of the spill has been assessed

Consumers in Japan, China and South Korea should be wary of buying seafood until governments in the region have monitored and released details about the toxic impact of the Sanchi oil spill, scientists have warned.

The worst oil ship disaster in decades has so far produced two visible plumes covering almost 100 square kilometres on the surface of the East China Sea, but maritime disaster experts say this is just the tip of the iceberg and millions of fish are likely to have been contaminated by carcinogens.

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UNSW scientist died in December, age 60, from malignant melanoma

Australia’s scientific community has paid tribute to Prof Stuart Wenham, a solar energy pioneer described as the “Einstein of the solar industry”, whose research increased the efficiency of solar cells a hundredfold.

Wenham passed away on 23 December, age 60, after suffering from malignant melanoma. He was the director of the centre of excellence for advanced photovoltaics and photonics at the University of New South Wales.

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The biggest impact comes from electricity used to power the microwaves, but study also highlights rising environmental cost of our throwaway culture

Popping frozen peas into the microwave for a couple of minutes may seem utterly harmless, but Europe’s stock of these quick-cook ovens emit as much carbon as nearly 7m cars, a new study has found.

And the problem is growing: with costs falling and kitchen appliances becoming “status” items, owners are throwing away microwaves after an average of eight years, pushing rising sales.

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