Some kind of animation in a taiga (arctic) biome would be awesome, and solar flares should be a menace on planets or moons with a thin atmosphere. Solar flares in real life could knock out the power grid of an entire continent, or in the case of many, maybe on a server, a space base. Things should be salvageable, and if that is implemented, 'emp resistant' blocks could work too. Anyways, the hundreds of thousands of lines of code would be worth the happiness, right? (Right?)