If there ____ (be) a global crisis, we ____ (find) a solution
If there is a global crisis, we will find a solution
If climate change____ (get)worse, droughts and floods ___ (increase)
If climate change gets worse, droughts and floods will increase
If we___ (use) too many plastic bags. we ____(not help) the environment
If we use too many plastic bags. we won't help the environment