The recession has been tough for many. But given the news that ethical consumerism bucked the economic downturn, and that clean tech companies are seeing massive job growth, now might just be the time for green-minded entrepreneurs to realize their sustainable dreams. But to do so, usually, you need money. Dr Rob Wyle over at BusinessGreen offers 10 tips on how to attract green investors to your sustainable start-up. From being realistic about cash needs to hiring people to plug the gaps in your skill sets, there is some solid, useful advice here. Well worth a read.