How did President Theodore Roosevelt address environmental concerns during the Progressive Era? He established Hull House, a settlement house, in Chicago.
He passed laws to improve ventilation and plumbing in cities.
He supported conservation and increased the number of national parks.
He founded the Sierra Club to promote conservationism.

In President Theodore Roosevelt, the conservationists found a sympathetic ear and man of action. Conservation of the nation's resources, putting an end to wasteful uses of raw materials, and the reclamation of large areas of neglected land have been identified as some of the major achievements of the Roosevelt era.

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a nationwide discount program is implemented.

explanation:

the answer is c have a good day