Environment

'Operation Exodus': Brazil miners flee Yanomami land

Wearing broken flip-flops held together by a frayed cord, Joao Batista, an illegal gold miner in the Brazilian Amazon, has been walking for days to escape the jungle, fleeing a looming security-force crackdown.. - 'Real criminals' - The crackdown is stoking tension in the region, where an entire economy has developed around the illegal gold industry.

'Operation Exodus': Brazil miners flee Yanomami land

Wearing broken flip-flops held together by a frayed cord, Joao Batista, an illegal gold miner in the Brazilian Amazon, has been walking for days to escape the jungle, fleeing a looming security-force crackdown.. - 'Real criminals' - The crackdown is stoking tension in the region, where an entire economy has developed around the illegal gold industry.

Mars rover finds rippled rocks caused by waves: NASA

NASA's Curiosity rover has found wave-rippled rocks -- evidence of an ancient lake -- in an area of the planet expected to be drier, the US space agency said Wednesday.. Curiosity had previously found evidence that lakes once covered parts of Mars in the salty minerals left behind when they dried up.

'Good policy' for EU to match US green plan with own subsidies: Yellen

US Treasury Secretary Janet Yellen on Wednesday encouraged the idea of green subsidies by the European Union to offset feared harm from a vast US climate plan -- arguing there is enough business for all to benefit from the clean energy transition.. The Treasury secretary was speaking at the site of a future Ultium Cells battery plant in Tennessee, as the United States puts into action President Joe Biden's ambitious climate action plan.

'Good policy' for EU to match US green plan with own subsidies: Yellen

US Treasury Secretary Janet Yellen on Wednesday encouraged the idea of green subsidies by the European Union to offset feared harm from a vast US climate plan -- arguing there is enough business for all to benefit from the clean energy transition.. The Treasury secretary was speaking at the site of a future Ultium Cells battery plant in Tennessee, as the United States puts into action President Joe Biden's ambitious climate action plan.

Climate: Could moon dust keep Earth cool?

Whether out-of-the-box thinking or a sign of desperation, scientists on Wednesday proposed the regular transport of moon dust to a gravity point between Earth and Sun to temper the ravages of global warming.. "Placing moon dust at the gravity mid-point between Earth and Sun, can indeed reflect heat," said University of Edinburgh professor Stuart Haszeldine.

Battle rages against Chile forest fires one week in

Forecasts of persistent high temperatures and strong winds bode ill Wednesday for drought-stricken Chile as dozens of forest fires -- several of them deadly -- showed no signs of abating.. "If the temperature rises and the wind increases, we may indeed have more problems, and we already have many fires," Lieutenant Colonel Carlos Javier Martin Traverso, head of a Spanish military contingent providing help in Chile, told AFP.  He expressed concern about the so-called "triple 30" factor -- humidity under 30 percent, temperatures over 30 degrees Celsius (86 Fahrenheit) and winds above 30 kilometers (18.6 miles) per hour -- which, if present, could make for a fire of "great magnitude, virulence and potency." 

Battle rages against Chile forest fires one week in

Forecasts of persistent high temperatures and strong winds bode ill Wednesday for drought-stricken Chile as dozens of forest fires -- several of them deadly -- showed no signs of abating.. "If the temperature rises and the wind increases, we may indeed have more problems, and we already have many fires," Lieutenant Colonel Carlos Javier Martin Traverso, head of a Spanish military contingent providing help in Chile, told AFP.  He expressed concern about the so-called "triple 30" factor -- humidity under 30 percent, temperatures over 30 degrees Celsius (86 Fahrenheit) and winds above 30 kilometers (18.6 miles) per hour -- which, if present, could make for a fire of "great magnitude, virulence and potency." 

Swiss native fish in troubled waters

More than half of Switzerland's native fish species are threatened with extinction or are already extinct within the country's waters, a new assessment showed Wednesday.. The study of around 70,000 fish in landlocked Switzerland's rivers and lakes categorised the native species according to the International Union for Conservation of Nature's criteria, under which threatened and extinct species appear on the Red List.

Swiss native fish in troubled waters

More than half of Switzerland's native fish species are threatened with extinction or are already extinct within the country's waters, a new assessment showed Wednesday.. The study of around 70,000 fish in landlocked Switzerland's rivers and lakes categorised the native species according to the International Union for Conservation of Nature's criteria, under which threatened and extinct species appear on the Red List.