Author Archives: Keith Hemstreet

How Do Hurricanes Form?

This past week Hurricane Harvey devastated parts of Texas. Before the flood waters have even receded, another powerful storm, Hurricane Irma, is developing in the Atlantic. Hurricanes are the most powerful storm on earth. But how do hurricanes form? How Hurricanes Form Hurricanes form when moist air rises over warm ocean waters. The humid, warm […]

Preorder Travels with Gannon & Wyatt Hawaii

Great news! Travels with Gannon & Wyatt: Hawaii is now available for preorder! To celebrate, we’ve set out on a quest to become an Amazon bestseller and want to send you a MAKANA (That’s present in Hawaiian!) for your help! Just place your preorder on Amazon, forward the receipt to marketing@greenleafbookgroup.com, and we’ll send you […]

I Am the Hummingbird

Wangari Maathai was a great champion of human rights and environmental conservation. She founded the Green Belt Movement, which helped replant tens of millions of trees in Kenya, and started the Institute for Peace and Environmental Studies at the University of Nairobi. In 2004, she became the first African woman to win the Nobel Peace Prize. She passed away in […]

Nature Can Make Kids Smarter

The famous naturalist Henry David Thoreau once wrote, “When we walk, we naturally go to the fields and woods: What would become of us, if we walked only in a garden or a mall?” I could venture a guess, as I know a handful of people who spend far too much time in malls. However, I’d […]

The Words of Rachel Carson, Environmentalist

With the publication of Silent Spring in 1962, author Rachel Carson raised important questions about the impact that human beings have on nature. The book was widely read and made Ms. Carson an internationally recognized advocate for the environment. On a recent walk along Rio Grande Trail in Aspen, Colorado, I came upon a rock embedded on a hillside […]

The Changing Culture of Greenland

Authors’ Note: Travels with Gannon & Wyatt Greenland  There are places on earth so extraordinarily beautiful the mere act of being there gives rise to a spiritual awakening in the traveler. It is these places that inspire in us a lifelong desire to travel the globe, always searching for the next location that will leave […]