GeoLog

Regular Features

GeoTalk: Sylvian LeDuc on Why Woody Biofuels Wouldn’t be the Best Plan for the EU

Biofuels are set to replace 10 per cent of EU transportation fuel by 2020. Yet, the long-term sustainability of first generation biofuels, made from grains and vegetable oils, has raised concerns as production starts to compete with food supplies. Attention has now turned to second generation biofuels, produced from non-edible sources such as wood or waste plant residual like straw. In the next de ...[Read More]

CCS – what’s the hold up?

Carbon capture and storage (CCS) has been on the research and political agenda for some time now, but there has been a surge in media coverage recently in the European Union (EU). This is in part due to the announcement of the results of the CCS funding commercialisation competition run by the Department of Energy and Climate Change (DECC) in the UK and also the second call for European Commission ...[Read More]

Imaggeo on Mondays: Grand Prismatic Spring

Yellowstone National Park, USA, is well known for its outstanding natural beauty. This is the Grand Prismatic Spring in the Midway Geyser Basin, Yellowstone National Park. It is the third largest hotspring in the world and the largest found in the United States, with a maximum diameter of about 90 m. It discharges roughly 2.5 cubic metres of mineral-rich water per minute, which flows down the rock ...[Read More]

Imaggeo on Mondays: Alas, allases are abound!

The Lena River flows throughout Russia from its source in the Baikal Mountains out into the Arctic Ocean, where the delta’s landscape is dominated by ice-rich Yedoma and thermokarst lakes. Thermokarst lakes have been identified as a source of carbon release to the atmosphere and Yedoma-like lake sediments are known to release more methane than any other sediment due to their incredibly high carbon ...[Read More]