Résultats pour "Theodore Roosevelt" dans Sciences et mathématiques

In this groundbreaking epic biography, Douglas Brinkley draws on never-before-published materials to examine the life and achievements of our "naturalist president." By setting aside more than 230 million acres of wild America for posterity between 1901 and 1909, Theodore Roosevelt made conservation a universal endeavor. This crusade for the American wilderness was perhaps the greatest U.S. presidential initiative between the Civil War and World War I.

Immerse yourself in Theodore Roosevelts gripping account of adventure in Through the Brazilian Wilderness. This captivating narrative chronicles his 1913 expedition into the heart of the Brazilian jungle, undertaken as part of the Roosevelt-Rondon Scientific Expedition, named for the legendary Brazilian explorer C√¢ndido Rondon. Roosevelt vividly recounts the breathtaking tropical landscapes, diverse wildlife, and remarkable scientific discoveries encountered along the journey. One of the expeditions ambitions was to locate the elusive headwaters of the Rio da Duvida, or River of Doubt, and...

Perhaps no American president is more associated with nature and wildlife than Theodore Roosevelt, a prodigious hunter and adventurer and an ardent conservationist. We think of Roosevelt as an original, yet in The Naturalist, Darrin Lunde shows how from his earliest days Roosevelt actively modeled himself in the proud tradition of museum naturalists - the men who pioneered a key branch of American biology through their desire to collect animal specimens and develop a taxonomy of the natural world.

This podcast vividly narrates the inspiring stories of remarkable Americans who displayed exceptional character and bravery in both life and death. These individuals exemplified the perfect blend of strength, gentleness, patriotism, and unwavering commitment to their ideals. Their tales of courage and personal accomplishment during critical moments in our nations history serve as a reminder of the sacrifices made by many in service to their fellow countrymen. This podcast is a tribute to those who have given everything for the United States, in times of both war and peace.

“Leave it as it is,” Theodore Roosevelt announced while viewing the Grand Canyon for the first time. “The ages have been at work on it and man can only mar it.” Roosevelt’s pronouncement signaled the beginning of an environmental fight that still wages today. To reconnect with the American wilderness and with the president who courageously protected it, acclaimed nature writer and New York Times best-selling author David Gessner embarks on a great American road trip guided by Roosevelt’s crusading environmental legacy.

Many consider Theodore Roosevelt to be America’s most conservation-minded president. Throughout his presidency, he worked to preserve endangered animals and their habitats. In this 1907 speech to Congress, he states, “The conservation of our natural resources and their proper use constitute the fundamental problem which underlies almost every other problem of our national life.” Hear this speech to experience Roosevelt’s conservationist fervor firsthand.