Apparently the United Nations has declared that 2010 is the international year of bio-diversity, celebrating the value of bio-diversity on our lives. You can read all about it here – http://www.cbd.int/2010/.
There are a number of things going on in the UK, including BioBlitz surveys of local plant and wildlife. Full details are available from the Natural History Museum’s ‘Biodiversity is Life’ website. You can also join their Facebook Group.
Apparently I’ve already missed Earth Day, which apparently was on 22nd April.