<P> President Roosevelt put conservationist issue high on the national agenda . He worked with all the major figures of the movement , especially his chief advisor on the matter , Gifford Pinchot and was deeply committed to conserving natural resources . He encouraged the Newlands Reclamation Act of 1902 to promote federal construction of dams to irrigate small farms and placed 230 million acres ( 360,000 mi or 930,000 km ) under federal protection . Roosevelt set aside more federal land for national parks and nature preserves than all of his predecessors combined . </P>
<P> President Roosevelt put conservationist issue high on the national agenda . He worked with all the major figures of the movement , especially his chief advisor on the matter , Gifford Pinchot and was deeply committed to conserving natural resources . He encouraged the Newlands Reclamation Act of 1902 to promote federal construction of dams to irrigate small farms and placed 230 million acres ( 360,000 mi or 930,000 km ) under federal protection . Roosevelt set aside more federal land for national parks and nature preserves than all of his predecessors combined . </P>
who made major contributions to environmental protection in the early 1900s
who made major contributions to environmental protection in the early 1900s
President Roosevelt
President Roosevelt