What Even Is Global Warming??

Here are some simple videos created by the PBS channel "Global Weirding,"
they explain the basics of global warming and why it's such a threat to us today.

1. What's the big deal with a few degrees?

2. Just how long have we known about climate change anyways?

3. Climate change is really only affecting the polar bears, right?

4. The oceans are so big surely climate change won't affect them, right?

5. What about the ozone hole?