<documents_info>The Progressive Era and Conservation,The Rise of Industrial Pollution,The Dust Bowl: An Environmental Catastrophe,The Modern Environmental Movement,Climate Change in the 21st Century,The Impact of Deforestation on Ecosystems" </documents_info>
<query>What were the major environmental challenges faced during the 20th century, according to the provided documents?</query>
user
Table
assistant
<documents_info>The Progressive Era and Conservation,The Rise of Industrial Pollution,The Dust Bowl: An Environmental Catastrophe,The Modern Environmental Movement,Climate Change in the 21st Century,The Impact of Deforestation on Ecosystems" </documents_info>
<query>What were the major environmental challenges faced during the 20th century, according to the provided documents?</query>
user
Catalogue
assistant
<query>What were the major environmental challenges faced during the 20th century, according to the provided documents?</query>
<documents_info>The Progressive Era and Conservation,The Rise of Industrial Pollution,The Dust Bowl: An Environmental Catastrophe,The Modern Environmental Movement,Climate Change in the 21st Century,The Impact of Deforestation on Ecosystems" </documents_info>