TED2010 is on right now in California, so it’s a good opportunity to look at some of their best talks of the past year. This one is short and inspirational – how to meet the UN’s Millenium Development Goal to “Halve, by 2015, the proportion of the population without access to safe drinking water and sanitation“ – for just $8bn!

Michael Pritchard’s LifeSaver bottle is a solution to clean water needs. For just $150, it can filter even the dirtiest water, in remote areas, or following disasters such as the Haiti quakes. Spurred on by the problems following the Asian tsunami and Hurricane Katrina, see Pritchard demonstrate the technology at TED 2009:

There’s a nice little link there to cell theory and magnification, also.

This year, who is going to be worth watching? Check out the list of presenters here.