This week, National Geographic released the trailer for a new documentary about the incredible life of scientist and activist Jane Goodall-and it is already shaping up to be a much-needed lesson in global optimism.

The 2-hour documentary Jane Goodall: The Hope is set to premiere on Nat Geo, Nat Geo WILD and Nat Geo Mundo on Earth Day (April 22nd).

The invigorating trailer offers a glimpse at how the film will celebrate the 60-year career of the activist and how she is still working tirelessly to promote a message of hope for the earth.

"At age 26, Jane Goodall's discovery that chimpanzees make and use tools shook the foundations of modern science and redefined the relationship between humans and the rest of the animal kingdom," reads the trailer summary. "In 1977, she founded the Jane Goodall Institute to inspire hope through action around the world and for generations to come.

"Today, Jane is an author, advocate and public speaker, traveling an average 300 days per year sharing her reasons for hope and message that we can each make a difference to create a better world for all, every single day."

If you need any other reason to celebrate the conservationist's achievements, today (April 3rd) is also her 86th birthday.

(WATCH the heartening trailer below)

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