New thermocell could harvest 'waste heat'

(Phys.org) —Harvesting waste heat from power stations and even vehicle exhaust pipes could soon provide a valuable supply of electricity.

Slovenia's 'eco-hero' who crushed a cement giant

When he saw swallows nesting in the barn for the first time in almost two decades, Slovenian farmer Uros Macerl felt vindicated. His exhausting battle against a polluting industrial giant had been worthwhile.

Anger, fear at Delhi's pollution ground zero

For 12 hours a day, Raju Misra stands at his snack stall in the world's ultimate pollution blackspot, inhaling toxic fumes and railing against India's politicians for failing to clean up the filthy air.

Answer to Mongolia pollution is blowing in the wind

Mongolia's economic boom has been built on the vast coal reserves that lie under its seemingly endless steppes, but it is turning to wind to power itself and fight the pollution that chokes Ulan Bator.

Britain indicates phase-out of coal power plants

Britain is to signal the winding down of polluting coal-fired power plants, indicating they should be replaced with gas and nuclear stations, according to pre-released parts of a Wednesday speech.

Coal-fired plants top polluters in Europe

Coal-fired power stations are responsible for the most pollution in Europe, with Britain among the top polluters, the European Union says.

Eco-warriors win first S. Africa climate change case

South African environmental activists declared a major victory Wednesday after winning the country's first climate change case and forcing the government to reassess the impact of a coal power plant.

Heat-resistant ultrasonic transducers

Technical systems must be regularly checked for defects, such as cracks. Up to now, piezo sensors measuring pressure, force or voltage have been used to reliably detect such faults – but only to around 200 degrees Celsius. ...

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