Penguins are being harmed by the changes to the environment.
Why are raindrops different sizes when they fall from the sky?
Why does lightning appear to have a jagged and irregular shape?
People have been predicting weather since long before we had Doppler radar, and many of these prediction strategies have survived as popular folk sayings.
For centuries mariners have told stories of ships sunk by huge isolated ocean waves, often in perfectly clear weather.
If you ever visit the Arctic, you might see some really cool, luminescent clouds high up in the atmosphere. Scientists call them night shining clouds.
You may have heard that global warming will result in more hurricanes that are larger and more destructive. In fact, most scientists believe this to be true.