How has global warming been affected the world so far? The first change that is easy to see is that there has been a change of warmer temperatures in every continent there are much hotter days than there are cold days and the warm days just keep getting hotter and hotter this is very tricky to look at because it can be something as little as .3 degrees Fahrenheit or 2 degrees. You can also look at the Sea ice that has dwindled 3.3% per decade where the summer sea ice has dwindled 13.7%.
a) True
b) False