I am making some more Biospheres, and need to get grass onto a raised dirt platform. For my previous pair, I created a dirt bridge from a nearby hill that was at the same level, but it took an age to get across. Is there a better way?
edit
I should have said, no hacks! I know it's trivial to hack in a grass block!
Best Answer
With the silk touch enchantment on any tool, you can obtain a 'grass block' when digging instead of a dirt block. Place the grass in a patch of dirt and it will spread normally.
This is also helpful if you want to transplant Mycelium blocks.
Source: http://www.minecraftwiki.net/wiki/Enchanting