<img src="http://tctechcrunch.files.wordpress.com/2010/12/imagineh2o.png?w=300" width="300" height="117" class="alignright size-medium wp-image-255459"></img> A competition for water-related clean tec
<img src="http://tctechcrunch.files.wordpress.com/2010/10/water_boulder-cc-letideascompete.jpg?w=300" width="300" height="200" class="alignright size-medium wp-image-232398" /></img>
Some 1.8 billion