On Saturday 27 March 2010 at 8.30pm, we want a billion people around the world to switch off their lights for one hour – WWF’s Earth Hour. Show you care about tackling climate change.

Switch off and support WWF's Earth Hour. Please sign up to support people and wildlife threatened by climate change.

http://earthhour.wwf.org.uk/about_earth_hour/
https://support.wwf.org.uk/earth_hour/index.php?type=individual

Today is the start of National Tree Week! The Tree Council is encouraging all of us to plant a tree in our own gardens, workplaces, schools and parks, in order to provide habitats for wildlife and help moderate the climate. 25 November - 6 December 2009

First mounted in 1975, National Tree Week is UK's largest tree celebration annually launching the start of the winter tree planting season.

www.treecouncil.org.uk

Visit PROVE IT! the Science Museum’s exciting new project, to find out more about climate change... Why is it happening? Why time is running out? What the world is planning to do about it at the United Nations climate change conference in Copenhagen this December. Copenhagen is a great opportunity to prove the world is serious about action on climate change.

The Science Museum has examined the evidence. We're convinced climate change is caused by humans and requires urgent action. This December, 192 countries will meet in Copenhagen to agree a global plan for tackling climate change...

www.sciencemuseum.org.uk