Clouds and storms are formed when warm, moist air rises. This causes the air to expand and cool: forming clouds as the moisture condenses onto particles suspended in the air (called cloud condensation nuclei). Normally, air rises from surface heating, or when warm and cold air pockets collide, or if air is pushed upwards when passing over hills or mountains. If this heating, and subsequent rising, ...[Read More]
GeoPolicy: What will a Trump presidency mean for climate change?
The US Presidential election this month saw Republican Donald Trump, a fierce climate sceptic, be elected into office. In wake of the election results, this month’s GeoPolicy post will take a look at Trump’s proposed actions on climate change, how likely these are to happen, and what the climate and clean technology communities could do to limit the damage. This tweet, written four years ag ...[Read More]
Imaggeo on Mondays: Aoraki & a round-up of the latest New Zealand earthquake news
On Sunday the 13th November, New Zealand’s South Island was struck by a powerful 7.8 M earthquake. Initial analysis by the United States Geological Survey (USGS) indicates that the source of the tremor was faulting on or near the boundary between the Pacific and Australia plates. A tsunami alert (no longer active) was triggered following the earthquake, with risk of tsunami waves along coastal are ...[Read More]
Imaggeo on Mondays: Gole dell‘ Alcantara
On account of Mount Etna (Europe’s largest volcano), the island of Sicily is peppered with geological wonders. Starting with the summit craters of the volcano itself, right through to over 200 caves formed within lava tubes, the island is packed with volcanic sights.Chief among them is Gole dell ‘Alcantara, a system of gorges formed 8,000 years ago in the course of the river Alcantara ...[Read More]