Answers to Earth Science Questions

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

21 January 2007

With so many active volcanoes around the world how does the pollution from industry over the last 150 years compare...

21 January 2007

Jet streams flow laterally due to centripetal forces. If CFC gases caused the hole in the ozone layer over the poles,...

21 January 2007

I've heard that the eruption of Krakatoa causes massive cooling in the atmosphere and these effects are...

21 January 2007

A lot of smart people think global warming is just part of a natural trend that humans have very little influence on....

14 January 2007

Where does all the sand in the Sahara desert come from?

14 January 2007

The Hunstanton cliffs are made up of layers of white chalk, red chalk and the main part is sandstone at the base. Why...

17 December 2006

Is it true that lightning never strikes in the same place twice?

19 November 2006

Since the Antarctic is landlocked, is it believed that underneath the ice but above the land (in other words sandwiched...

05 November 2006

When fireworks are released into the air they turn into smoke and dust. Is there any danger from this?

22 October 2006

The Earth's core is basically molten and the Earth is in the region of four billion or so years old. How come it...

01 October 2006

Could you tell me if the ozone hole is now getting smaller since CFCs have been banned?

24 September 2006

I was curious about the scaremongering we're hearing about the ice caps melting and flooding everywhere. I thought...

17 September 2006

I come from Dorset and there's a hill with a pond up there. The strange thing is that it never dries out. Why is...

17 September 2006

Did oil or natural petroleum deposits really come from primordial forests? With the thousands of barrels of oil taken...

10 September 2006

Given that as altitude increases, temperature decreases, does this means that when precipitation falls from clouds it...

10 September 2006

I've been hearing a lot about when you get frost on your car first thing in the morning and people saying that it...

10 September 2006

If clouds are made up of water, why do they differ in colour, from fluffy white to dark and black?

18 June 2006

It's well known in the USA that bees are dying. This is having profound effects on certain types of agriculture....

04 June 2006

What happens to the great hollows that we're leaving below the sea beds when you extract all this oil and gas?

04 June 2006

Please can you calculate how much extra fuel will be burned by a motorist during the current World Cup campaign as a...

21 May 2006

How long would a flip in the Earth's magnetic field take, and how might it affect technology?

30 April 2006

We know that we're living on a nuclear furnace and heat's being made all the time in the core. Is there no...

23 April 2006

What is global dimming?

09 April 2006

Are there any immediate effects of sun spots on the weather, such as when solar bursts occur? What about long term...