Earthquakes
Earth tremors are going on all the time as the planet's rocks boil and move beneath us, but only some quakes do any damage. Find out why ...
The world's remaining great forests
Find out about the world's remaining great forests and the threats to their survival
Europe's fish quotas
European fisheries ministers are ignoring the advice of scientists and continuing to allow the fishing of endangered stock such as cod, say conservationists. Use this interactive guide to find out more about the status of fish stocks in EU waters.
Bali 2007
The world's biggest carbon producers.
Digging up the dykes
Why the RSPB is flooding Wallasea Island.
Bear essentials
More about the world's most endangered bears.
Britain's greenest cities
October 2007. The Green city awards have ranked all the UK's major cities in terms of sustainabilily, quailty of life etc. See all the rankings here ...
Endangered world
Guardian corresondents report in from parts of the world where species loss is most tangible ...
El Nino explained
As the US climate prediction centre warns of El Niņo weather patterns appearing in the Pacific, we look at just what this potentially devastating phenomenon really is.
Mapping the Moho Bounce
Scientists in California have been throwing sticks of dynamite into the San Andreas fault. Find out why ...
Gulf Stream under threat
This warm-water current keeps northern Europe 10C hotter than similar latitudes ... but for how much longer?
Hot rock
Just what are volcanoes, and why do some of them explode?
Whales and sonar
A series of whale beachings have coincided with naval exercises where a new, louder sonar system has been tested. But just how loud is it, and could it be damaging whales' hearing?
Global warming
Is the climate changing? And if so why ... and by how much? Find out here ...
Antarctica at a glance
A brief graphic guide to this 'spectacular, hostile, bewitching, white continent'.
Water - the global shortage.
At the Johannesburg earth summit in 2002, countries agreed to work towards halving the proportion of people without access to safe drinking water by 2015. But there are few signs that governments will meet their targets. Find out more ...
