Answers to Earth Science Questions

Geology, palaeontology, archaeology, atmospheric science, climate, climate change and meteorology...

04 October 2011

Why do leaves change colour in Autumn?

12 June 2011

Have earthquakes been more frequent recently? If so, is there a reason, or is this just coincidence?

06 February 2011

Is sending an e-card more environmentally friendly than sending one made from trees?