Some bacteria evolved the ability to induce ice-formation, in order to break up plant tissues so they can invade. The climate effects seem be just a by-product,

Some bacteria evolved the ability to induce ice-formation, in order to break up plant tissues so they can invade. The climate effects seem be just a by-product, but there's some really interesting research being done into the biological mechanisms. http://www.sciencedaily.com/releases/2013/10/131023141119.htm http://www.sciencedaily.com/releases/2013/10/131023141119.ht...