Global warming will likely make bigger hailstones that could cause "major damage" to vehicles, solar panels and other infrastructure. ADVERTISEMENT ADVERTISEMENT Human-caused climate change from burning polluting fossil fuels makes more high-energy unstable air, which is conducive to hail forming and global storms. According to a study published in the science journal Nature this week, hail bigger than a large marble will increase between 38 and 47 per cent by the end of the century, depending