The Edinburgh International Science Festival marks 25 years, from 23rd March, with two weeks of events that look forward to the next 25 y
In 2007, National Geographic photographer James Balog set out to capture man-made global warming in action.
The Winter Solstice, the point at which we are tilted furthest away from the Sun in Earth's Northern hemisphere, is at 11.12am on 21 December in 2012.
Overworked or overstressed? Nature charity the Woodland Trust has a potential cure for you. The Trust is suggesting people take a relaxing walk in the woods to enjoy bluebell season.
It was a green christmas for most of the UK, with no snow falling in major cities.