The Dust Bowl lasted for 8 years , causing millions to leave their homes . An estimated 20 million hectares of crops were ineffective annually . The current drought is affecting all but a handful of American states . 123.4 4 million fewer hectares of crops will be produced this year than once expected .
The Dust Bowl lasted for 8 years , causing millions to leave their homes . An estimated 20 million hectares of crops were ineffective annually . The current drought is affecting all but a handful of American states . 4 million fewer hectares of crops will be produced this year than once expected .