Posts for topic Latest news

Breathing poison in the world’s most polluted city

Level: Topic: Atmosphere, Latest news

Saharan dust, traffic fumes and smog from Europe may be clogging up London’s air at present – and causing alarm in the newspapers – but in the world’s most polluted city London’s air would be considered unusually refreshing. That city is Delhi, the Indian capital, where air quality reports now make essential reading for anxious residents.

Risk from extreme weather set to rise

Level: , Topic: Atmosphere, Latest news, Population

Climate change and population growth will hugely increase the risk to people from extreme weather, a report says.

The Royal Society warns that the risk of heatwaves to an ageing population will rise about ten-fold by 2090 if greenhouse gases continue to rise.

Fossil fuels should be phased out by 2100 says IPCC

Level: Topic: Atmosphere, Latest news

The unrestricted use of fossil fuels should be phased out by 2100 if the world is to avoid dangerous climate change, a UN-backed expert panel says.

The Intergovernmental Panel on Climate Change says in a stark report that most of the world’s electricity can – and must – be produced from low-carbon sources by 2050.

Cyclone Hudhud pounds India’s Andhra Pradesh and Orissa

Level: Topic: Atmosphere, Latest news

Cyclone Hudhud is pounding the eastern Indian coast, causing extensive damage and prompting the evacuation of some 300,000 people.

Syllabus link: Tropical revolving storms.Their occurrence, their impact, management of the hazard and responses to the event. Two case studies of recent (within the last 30 years) tropical revolving storms should be undertaken from contrasting areas of the world.

Iceland volcanic eruptions: Red alert again!

Level: , Topic: Latest news, Restless Earth, Tectonics

Iceland has restricted travel around a cluster of volcanos, following an eruption near the Dyngjujokull glacier just after midnight.

A red alert warning issued by the Icelandic Met Office – the highest possible – indicates that “an eruption is imminent or in progress, and that a significant emission of ash into the atmosphere is likely”.

New concerns over Iceland volcano.

Level: , Topic: Latest news, Restless Earth, Tectonics

The magma from Iceland’s Bardarbunga volcano could be moving towards another large volcanic system. “We know there is a lot of molten rock sitting under the ground beneath Askja, which is a major volcanic system. If this molten rock hits that, we know it is likely to trigger it to erupt.

“But who knows, it may just stop. It is still at 5km-depth, and it is possible it could freeze there and not a lot more will happen. That is perfectly plausible.”