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The call for applications for funding through the Community Heritage and Icons Grants programme is now open. Applications close Tuesday 22 March 2016.

For just a few days each year, the water of Horsetail fall in Yosemite national park appears like lava, drawing crowds of onlookers and photographers

Hundreds of photographers have swarmed to Yosemite national park to catch a rare glimpse of a “firefall” – a phenomenon that makes it appear as if water has turned into lava, flowing from a volcano.

For about 10 days each February, sunlight illuminates Horsetail Fall in a way that looks like lava is tumbling down the rock face. The light show can prove elusive – local photographers said this is the first February in four years in which conditions have been ideal to capture the firefall.

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Fundraising campaign to help northern New South Wales family pay for Kathryn Sullivan’s funeral raises more than $3,000 in 24 hours

Australians have donated more than $3,000 to help pay funeral costs for a six-year-old girl who died after she was bitten by a brown snake.

Kathryn Sullivan was bitten by the snake on a Walgett property in northern New South Wales last week. She was airlifted to the Sydney Children’s hospital but her condition deteriorated and she was transferred back to Walgett hospital where she died on Saturday.

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Beachgoers in Argentina picked up and passed around an endangered Franciscana dolphin, which can be seen being plucked out of the water before being petted by beachgoers. Other images showed people taking selfies with the dolphin

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HUMAN BEHAVIOUR: When we act under orders to do something bad, we perceive a greater delay between our action and its consequences than when we act of our own free will, a new study suggests.

BIOCONTROL: Scientists have created a new strain of mosquito they say could help in the fight against viruses such as dengue and perhaps even Zika.

HUMAN RELATIONS: The genes of a Neanderthal that lived 100,000 years ago contain DNA from modern humans, indicating that humans left Africa and mated with Neanderthals much earlier than previously thought.

CONSERVATION SCIENCE: Ecotourism will only help save the orangutans if it generates enough income to replace that coming from logging, new research suggests.

CLIMATE SENSITIVITY: The plant life of Australia's outback does not respond to sudden increases in rainfall because it has "learned" that drought will soon follow, according to satellite-based maps tracking the impact of changing climatic conditions.

Harvard study shows 30% rise across the country since 2002 with peaks coinciding with shale oil and gas boom, reports Climate Central

There was a huge global spike in one of the most potent greenhouse gases driving climate change over the last decade, and the U.S. may be the biggest culprit, according a new Harvard University study.

The United States alone could be responsible for between 30-60% of the global growth in human-caused atmospheric methane emissions since 2002 because of a 30% spike in methane emissions across the country, the study says.

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EXOTIC ENVIRONMENT: Data from the Hubble Space Telescope shows the planet is surrounded by an atmosphere mostly made up of hydrogen and helium like a gas giant, such as Jupiter or Saturn.

COCKROACH EVOLUTION: Australian soil-burrowing cockroaches are adding weight to the idea that evolution is a much more predictable process than some believe.

Former deputy editor of National Geographic Brazil says a “humanitarian catastrophe” is taking place in Brazil’s Amazon

One of the perpetrators of arguably Brazil’s most internationally high-profile murders in recent years is currently walking around free. In 2013, amid much media coverage, Lindonjonson Silva Rocha was sentenced to 42 years prison for killing two nut collectors-turned-environmental activists in southern Pará, but then in November last year he escaped.

One man who knew both victims, “Zé Cláudio” Ribeiro da Silva and his wife Maria do Espírito Santo, is Felipe Milanez, a political ecologist at the Federal University of Recôncavo of Bahia, activist, film-maker, former deputy editor of National Geographic Brazil, and the editor of the recently-published book, Memórias Sertanistas: Cem Anos de Indigenismo no Brasil. Here I interview Milanez, via email, about Zé Cláudio and the Brazilian Amazon:

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US climate envoy says threats by Republican presidential candidates to withdraw from the global agreement would be ‘diplomatic black eye’

President Obama’s special envoy for climate change has warned Republican presidential hopefuls including Donald Trump and Ted Cruz that any attempt to scrap the Paris climate agreement would lead to a “diplomatic black eye” for the US.

Speaking to journalists in Brussels, Todd Stern also said that a recent supreme court decision to block Barack Obama’s clean power plan would not affect US climate pledges, or plans to formally sign up to the Paris agreement later this year.

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Developers have abandoned their original goal of building the world’s first zero-carbon city in the UAE desert. With completion originally scheduled for this year, just how much of the once-revolutionary vision has actually been realised?

Years from now passing travellers may marvel at the grandeur and the folly of the futuristic landscape on the edges of Abu Dhabi: the barely occupied office blocks, the deserted streets, the vast tracts of undeveloped land and – most of all – the abandoned dream of a zero-carbon city.

Masdar City, when it was first conceived a decade ago, was intended to revolutionise thinking about cities and the built environment.

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GREAT MOMENTS IN SCIENCE: Why are the Higgs field and dark energy so weak? Find the answer and you could earn yourself a Nobel Prize, says Dr Karl.

PRECIOUS PETAL: The discovery of a new species of ancient flower beautifully preserved in amber indicates that ancestors of today's daisies, mints and tomatoes flourished in Caribbean jungles up to 45 million years ago.

Parliament unanimously agree to ratify UN climate treaty ahead of signing ceremony in April in New York, reports BusinessGreen

Fiji has become the first country in the world to formally approve the UN climate deal agreed by 195 nations in Paris in December.

The island nation’s parliament unanimously agreed to ratify the Paris agreement on Friday, according to local news reports.

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On Wednesday, the consultation closes on an outrageous proposal to allow destructive fishing activities in a special area of conservation in Wales. This is the last chance to make our voices heard

Governments take the advice they want to hear. As they seek to avoid trouble and find the path of least resistance, they often look for advice that meshes with the demands of industrial lobbyists.

This problem has afflicted the life of the sea for many years. Governments consult the scientists who tell them that high catches of fish are sustainable, and ignore more cautious assessments. This allows them to get the fishing lobby off their backs, while claiming to have based their decisions on science. Bad advice from scientists and selective hearing by government were among the factors that led to the collapse of the Grand Banks cod fishery off Newfoundland.

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A date for disaster: the end-Permian mass extinction event.

Seth Burgess has, literally, travelled to the ends of the Earth to find a date. Along the way he has endured attacks of giant flesh-eating bee-flies, paddled a raft 60 miles in driving Siberian rain, braved volcanoes in Alaska, and inhaled polluted air in China for weeks on end, all the while hauling pounds of rocks. And all in the name of Science.

The date he seeks plays extremely hard to get.

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