Cleaner air with geothermal energy

The use of dirty coal as a heat source makes life tough in the Mongolian winter. ETH geophysicists are helping to develop geothermal energy as a clean alternative.

Goat grazing helps control buckthorn growth

Goat grazing as a means for removing invasive species has become an increasingly popular practice among midwestern landowners. At the same time, there's concern the goats may be spreading the invasive species they're eating ...

Erupting Indonesian volcano spews ash, lava

Indonesia's Mount Merapi, one of the world's most active volcanoes, erupted Thursday as fiery red molten lava streamed down from the crater and it belched clouds of grey ash 2,000 metres (6,500 feet) into the sky.

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